{
  "-webkit-align-content": {
    "legacy-alias-for": "align-content"
  },
  "-webkit-align-items": {
    "legacy-alias-for": "align-items"
  },
  "-webkit-align-self": {
    "legacy-alias-for": "align-self"
  },
  "-webkit-animation": {
    "legacy-alias-for": "animation"
  },
  "-webkit-animation-delay": {
    "legacy-alias-for": "animation-delay"
  },
  "-webkit-animation-direction": {
    "legacy-alias-for": "animation-direction"
  },
  "-webkit-animation-duration": {
    "legacy-alias-for": "animation-duration"
  },
  "-webkit-animation-fill-mode": {
    "legacy-alias-for": "animation-fill-mode"
  },
  "-webkit-animation-iteration-count": {
    "legacy-alias-for": "animation-iteration-count"
  },
  "-webkit-animation-name": {
    "legacy-alias-for": "animation-name"
  },
  "-webkit-animation-play-state": {
    "legacy-alias-for": "animation-play-state"
  },
  "-webkit-animation-timing-function": {
    "legacy-alias-for": "animation-timing-function"
  },
  "-webkit-appearance": {
    "legacy-alias-for": "appearance"
  },
  "-webkit-background-clip": {
    "legacy-alias-for": "background-clip"
  },
  "-webkit-background-origin": {
    "legacy-alias-for": "background-origin"
  },
  "-webkit-background-size": {
    "legacy-alias-for": "background-size"
  },
  "-webkit-border-bottom-left-radius": {
    "legacy-alias-for": "border-bottom-left-radius"
  },
  "-webkit-border-bottom-right-radius": {
    "legacy-alias-for": "border-bottom-right-radius"
  },
  "-webkit-border-radius": {
    "legacy-alias-for": "border-radius"
  },
  "-webkit-border-top-left-radius": {
    "legacy-alias-for": "border-top-left-radius"
  },
  "-webkit-border-top-right-radius": {
    "legacy-alias-for": "border-top-right-radius"
  },
  "-webkit-box-align": {
    "legacy-alias-for": "align-items"
  },
  "-webkit-box-flex": {
    "legacy-alias-for": "flex-grow"
  },
  "-webkit-box-ordinal-group": {
    "legacy-alias-for": "order"
  },
  "-webkit-box-orient": {
    "legacy-alias-for": "flex-direction"
  },
  "-webkit-box-pack": {
    "legacy-alias-for": "justify-content"
  },
  "-webkit-box-shadow": {
    "legacy-alias-for": "box-shadow"
  },
  "-webkit-box-sizing": {
    "legacy-alias-for": "box-sizing"
  },
  "-webkit-flex": {
    "legacy-alias-for": "flex"
  },
  "-webkit-flex-basis": {
    "legacy-alias-for": "flex-basis"
  },
  "-webkit-flex-direction": {
    "legacy-alias-for": "flex-direction"
  },
  "-webkit-flex-flow": {
    "legacy-alias-for": "flex-flow"
  },
  "-webkit-flex-grow": {
    "legacy-alias-for": "flex-grow"
  },
  "-webkit-flex-shrink": {
    "legacy-alias-for": "flex-shrink"
  },
  "-webkit-flex-wrap": {
    "legacy-alias-for": "flex-wrap"
  },
  "-webkit-justify-content": {
    "legacy-alias-for": "justify-content"
  },
  "-webkit-mask": {
    "legacy-alias-for": "mask"
  },
  "-webkit-mask-image": {
    "legacy-alias-for": "mask-image"
  },
  "-webkit-order": {
    "legacy-alias-for": "order"
  },
  "-webkit-text-fill-color": {
    "animation-type": "by-computed-value",
    "inherited": true,
    "initial": "currentColor",
    "valid-types": [
      "color"
    ]
  },
  "-webkit-transform": {
    "legacy-alias-for": "transform"
  },
  "-webkit-transform-origin": {
    "legacy-alias-for": "transform-origin"
  },
  "-webkit-transition": {
    "legacy-alias-for": "transition"
  },
  "-webkit-transition-delay": {
    "legacy-alias-for": "transition-delay"
  },
  "-webkit-transition-duration": {
    "legacy-alias-for": "transition-duration"
  },
  "-webkit-transition-property": {
    "legacy-alias-for": "transition-property"
  },
  "-webkit-transition-timing-function": {
    "legacy-alias-for": "transition-timing-function"
  },
  "-webkit-user-select": {
    "legacy-alias-for": "user-select"
  },
  "accent-color": {
    "animation-type": "by-computed-value",
    "inherited": true,
    "initial": "auto",
    "valid-types": [
      "color"
    ],
    "valid-identifiers": [
      "auto"
    ]
  },
  "align-content": {
    "animation-type": "discrete",
    "inherited": false,
    "initial": "normal",
    "valid-types": [
      "align-content"
    ]
  },
  "align-items": {
    "animation-type": "discrete",
    "inherited": false,
    "initial": "normal",
    "valid-types": [
      "align-items"
    ]
  },
  "align-self": {
    "animation-type": "discrete",
    "inherited": false,
    "initial": "auto",
    "valid-types": [
      "align-self"
    ]
  },
  "animation": {
    "affects-layout": false,
    "inherited": false,
    "initial": "none 0s ease 1 normal running 0s none",
    "longhands": [
      "animation-name",
      "animation-duration",
      "animation-timing-function",
      "animation-iteration-count",
      "animation-direction",
      "animation-play-state",
      "animation-delay",
      "animation-fill-mode"
    ]
  },
  "animation-delay": {
    "affects-layout": false,
    "animation-type": "none",
    "inherited": false,
    "initial": "0s",
    "valid-types": [
      "time [-∞,∞]"
    ]
  },
  "animation-direction": {
    "affects-layout": false,
    "animation-type": "none",
    "inherited": false,
    "initial": "normal",
    "valid-identifiers": [
      "normal",
      "reverse",
      "alternate",
      "alternate-reverse"
    ]
  },
  "animation-duration": {
    "affects-layout": false,
    "animation-type": "none",
    "inherited": false,
    "initial": "0s",
    "valid-types": [
      "time [0,∞]"
    ],
    "valid-identifiers": [
      "auto"
    ]
  },
  "animation-fill-mode": {
    "affects-layout": false,
    "animation-type": "none",
    "inherited": false,
    "initial": "none",
    "valid-identifiers": [
      "none",
      "forwards",
      "backwards",
      "both"
    ]
  },
  "animation-iteration-count": {
    "affects-layout": false,
    "animation-type": "none",
    "inherited": false,
    "initial": "1",
    "valid-types": [
      "number [0,∞]"
    ],
    "valid-identifiers": [
      "infinite"
    ]
  },
  "animation-name": {
    "affects-layout": false,
    "animation-type": "none",
    "inherited": false,
    "initial": "none",
    "valid-types": [
      "string",
      "custom-ident ![none]"
    ],
    "valid-identifiers": [
      "none"
    ]
  },
  "animation-play-state": {
    "affects-layout": false,
    "animation-type": "none",
    "inherited": false,
    "initial": "running",
    "valid-identifiers": [
      "running",
      "paused"
    ]
  },
  "animation-timing-function": {
    "affects-layout": false,
    "animation-type": "none",
    "inherited": false,
    "initial": "ease",
    "valid-types": [
      "easing-function"
    ]
  },
  "appearance": {
    "animation-type": "discrete",
    "inherited": false,
    "initial": "none",
    "valid-types": [
      "appearance"
    ]
  },
  "aspect-ratio": {
    "affects-layout": true,
    "animation-type": "by-computed-value",
    "inherited": false,
    "initial": "auto",
    "valid-types": [
      "ratio"
    ],
    "valid-identifiers": [
      "auto"
    ]
  },
  "backdrop-filter": {
    "affects-layout": false,
    "affects-stacking-context": true,
    "animation-type": "custom",
    "inherited": false,
    "initial": "none",
    "__comment": "FIXME: List `filter-value-list` as a valid-type once it's generically supported.",
    "valid-identifiers": [
      "none"
    ]
  },
  "background": {
    "affects-layout": false,
    "inherited": false,
    "initial": "transparent",
    "longhands": [
      "background-attachment",
      "background-clip",
      "background-color",
      "background-image",
      "background-origin",
      "background-position",
      "background-repeat",
      "background-size"
    ]
  },
  "background-attachment": {
    "affects-layout": false,
    "animation-type": "discrete",
    "inherited": false,
    "initial": "scroll",
    "valid-types": [
      "background-attachment"
    ]
  },
  "background-blend-mode": {
    "animation-type": "none",
    "inherited": false,
    "initial": "normal",
    "valid-types": [
      "mix-blend-mode"
    ]
  },
  "background-clip": {
    "affects-layout": false,
    "animation-type": "repeatable-list",
    "inherited": false,
    "initial": "border-box",
    "valid-types": [
      "background-box"
    ]
  },
  "background-color": {
    "affects-layout": false,
    "animation-type": "by-computed-value",
    "inherited": false,
    "initial": "transparent",
    "valid-types": [
      "color"
    ],
    "quirks": [
      "hashless-hex-color"
    ]
  },
  "background-image": {
    "affects-layout": false,
    "animation-type": "discrete",
    "inherited": false,
    "initial": "none",
    "valid-types": [
      "image"
    ],
    "valid-identifiers": [
      "none"
    ]
  },
  "background-origin": {
    "affects-layout": false,
    "animation-type": "repeatable-list",
    "inherited": false,
    "initial": "padding-box",
    "valid-types": [
      "background-box"
    ]
  },
  "background-position": {
    "affects-layout": false,
    "inherited": false,
    "initial": "0% 0%",
    "max-values": 4,
    "valid-types": [
      "background-position"
    ],
    "quirks": [
      "unitless-length"
    ],
    "longhands": [
      "background-position-x",
      "background-position-y"
    ],
    "percentages-resolve-to": "length"
  },
  "background-position-x": {
    "affects-layout": false,
    "animation-type": "repeatable-list",
    "inherited": false,
    "initial": "0%",
    "valid-types": [
      "length [-∞,∞]",
      "percentage [-∞,∞]"
    ],
    "valid-identifiers": [
      "center",
      "left",
      "right"
    ],
    "percentages-resolve-to": "length"
  },
  "background-position-y": {
    "affects-layout": false,
    "animation-type": "repeatable-list",
    "inherited": false,
    "initial": "0%",
    "valid-types": [
      "length [-∞,∞]",
      "percentage [-∞,∞]"
    ],
    "valid-identifiers": [
      "center",
      "bottom",
      "top"
    ],
    "percentages-resolve-to": "length"
  },
  "background-repeat": {
    "affects-layout": false,
    "animation-type": "discrete",
    "inherited": false,
    "initial": "repeat",
    "max-values": 2,
    "valid-types": [
      "repeat"
    ],
    "valid-identifiers": [
      "repeat-x",
      "repeat-y"
    ]
  },
  "background-size": {
    "affects-layout": false,
    "animation-type": "repeatable-list",
    "inherited": false,
    "initial": "auto",
    "max-values": 2,
    "valid-types": [
      "length [0,∞]",
      "percentage [0,∞]"
    ],
    "valid-identifiers": [
      "auto",
      "cover",
      "contain"
    ],
    "percentages-resolve-to": "length"
  },
  "block-size": {
    "logical-alias-for": [
      "height",
      "width"
    ],
    "initial": "auto",
    "max-values": 1
  },
  "border": {
    "inherited": false,
    "initial": "medium currentcolor none",
    "longhands": [
      "border-width",
      "border-style",
      "border-color"
    ]
  },
  "border-block-end": {
    "inherited": false,
    "initial": "medium currentcolor none",
    "longhands": [
      "border-block-end-width",
      "border-block-end-style",
      "border-block-end-color"
    ]
  },
  "border-block-end-color": {
    "logical-alias-for": [
      "border-top-color",
      "border-right-color",
      "border-bottom-color",
      "border-left-color"
    ],
    "max-values": 1
  },
  "border-block-end-style": {
    "logical-alias-for": [
      "border-top-style",
      "border-right-style",
      "border-bottom-style",
      "border-left-style"
    ],
    "max-values": 1
  },
  "border-block-end-width": {
    "logical-alias-for": [
      "border-top-width",
      "border-right-width",
      "border-bottom-width",
      "border-left-width"
    ],
    "max-values": 1
  },
  "border-block-start": {
    "inherited": false,
    "initial": "medium currentcolor none",
    "longhands": [
      "border-block-start-width",
      "border-block-start-style",
      "border-block-start-color"
    ]
  },
  "border-block-start-color": {
    "logical-alias-for": [
      "border-top-color",
      "border-right-color",
      "border-bottom-color",
      "border-left-color"
    ],
    "max-values": 1
  },
  "border-block-start-style": {
    "logical-alias-for": [
      "border-top-style",
      "border-right-style",
      "border-bottom-style",
      "border-left-style"
    ],
    "max-values": 1
  },
  "border-block-start-width": {
    "logical-alias-for": [
      "border-top-width",
      "border-right-width",
      "border-bottom-width",
      "border-left-width"
    ],
    "max-values": 1
  },
  "border-bottom": {
    "inherited": false,
    "initial": "medium currentcolor none",
    "longhands": [
      "border-bottom-width",
      "border-bottom-style",
      "border-bottom-color"
    ]
  },
  "border-bottom-color": {
    "affects-layout": false,
    "animation-type": "by-computed-value",
    "initial": "currentcolor",
    "inherited": false,
    "valid-types": [
      "color"
    ],
    "quirks": [
      "hashless-hex-color"
    ]
  },
  "border-bottom-left-radius": {
    "affects-layout": false,
    "animation-type": "by-computed-value",
    "initial": "0",
    "inherited": false,
    "max-values": 2,
    "valid-types": [
      "length [0,∞]",
      "percentage [0,∞]"
    ],
    "percentages-resolve-to": "length"
  },
  "border-bottom-right-radius": {
    "affects-layout": false,
    "animation-type": "by-computed-value",
    "initial": "0",
    "inherited": false,
    "max-values": 2,
    "valid-types": [
      "length [0,∞]",
      "percentage [0,∞]"
    ],
    "percentages-resolve-to": "length"
  },
  "border-bottom-style": {
    "animation-type": "discrete",
    "initial": "none",
    "inherited": false,
    "valid-types": [
      "line-style"
    ]
  },
  "border-bottom-width": {
    "animation-type": "by-computed-value",
    "initial": "medium",
    "inherited": false,
    "valid-types": [
      "length [0,∞]"
    ],
    "valid-identifiers": [
      "medium",
      "thick",
      "thin"
    ],
    "quirks": [
      "unitless-length"
    ]
  },
  "border-collapse": {
    "animation-type": "discrete",
    "inherited": true,
    "initial": "separate",
    "valid-types": [
      "border-collapse"
    ]
  },
  "border-color": {
    "affects-layout": false,
    "initial": "currentcolor",
    "longhands": [
      "border-top-color",
      "border-right-color",
      "border-bottom-color",
      "border-left-color"
    ],
    "max-values": 4,
    "valid-types": [
      "color"
    ],
    "quirks": [
      "hashless-hex-color"
    ]
  },
  "border-inline-end": {
    "inherited": false,
    "initial": "medium currentcolor none",
    "longhands": [
      "border-inline-end-width",
      "border-inline-end-style",
      "border-inline-end-color"
    ]
  },
  "border-inline-end-color": {
    "logical-alias-for": [
      "border-top-color",
      "border-right-color",
      "border-bottom-color",
      "border-left-color"
    ],
    "max-values": 1
  },
  "border-inline-end-style": {
    "logical-alias-for": [
      "border-top-style",
      "border-right-style",
      "border-bottom-style",
      "border-left-style"
    ],
    "max-values": 1
  },
  "border-inline-end-width": {
    "logical-alias-for": [
      "border-top-width",
      "border-right-width",
      "border-bottom-width",
      "border-left-width"
    ],
    "max-values": 1
  },
  "border-inline-start": {
    "inherited": false,
    "initial": "medium currentcolor none",
    "longhands": [
      "border-inline-start-width",
      "border-inline-start-style",
      "border-inline-start-color"
    ]
  },
  "border-inline-start-color": {
    "logical-alias-for": [
      "border-top-color",
      "border-right-color",
      "border-bottom-color",
      "border-left-color"
    ],
    "max-values": 1
  },
  "border-inline-start-style": {
    "logical-alias-for": [
      "border-top-style",
      "border-right-style",
      "border-bottom-style",
      "border-left-style"
    ],
    "max-values": 1
  },
  "border-inline-start-width": {
    "logical-alias-for": [
      "border-top-width",
      "border-right-width",
      "border-bottom-width",
      "border-left-width"
    ],
    "max-values": 1
  },
  "border-left": {
    "inherited": false,
    "initial": "medium currentcolor none",
    "longhands": [
      "border-left-width",
      "border-left-style",
      "border-left-color"
    ]
  },
  "border-left-color": {
    "affects-layout": false,
    "animation-type": "by-computed-value",
    "initial": "currentcolor",
    "inherited": false,
    "valid-types": [
      "color"
    ],
    "quirks": [
      "hashless-hex-color"
    ]
  },
  "border-left-style": {
    "animation-type": "discrete",
    "initial": "none",
    "inherited": false,
    "valid-types": [
      "line-style"
    ]
  },
  "border-left-width": {
    "animation-type": "by-computed-value",
    "initial": "medium",
    "inherited": false,
    "valid-types": [
      "length [0,∞]"
    ],
    "valid-identifiers": [
      "medium",
      "thick",
      "thin"
    ],
    "quirks": [
      "unitless-length"
    ]
  },
  "border-radius": {
    "affects-layout": false,
    "inherited": false,
    "initial": "0",
    "longhands": [
      "border-top-left-radius",
      "border-top-right-radius",
      "border-bottom-left-radius",
      "border-bottom-right-radius"
    ],
    "valid-types": [
      "length [0,∞]",
      "percentage [0,∞]"
    ],
    "percentages-resolve-to": "length"
  },
  "border-right": {
    "inherited": false,
    "initial": "medium currentcolor none",
    "longhands": [
      "border-right-width",
      "border-right-style",
      "border-right-color"
    ]
  },
  "border-right-color": {
    "affects-layout": false,
    "animation-type": "by-computed-value",
    "initial": "currentcolor",
    "inherited": false,
    "valid-types": [
      "color"
    ],
    "quirks": [
      "hashless-hex-color"
    ]
  },
  "border-right-style": {
    "animation-type": "discrete",
    "initial": "none",
    "inherited": false,
    "valid-types": [
      "line-style"
    ]
  },
  "border-right-width": {
    "animation-type": "by-computed-value",
    "initial": "medium",
    "inherited": false,
    "valid-types": [
      "length [0,∞]"
    ],
    "valid-identifiers": [
      "medium",
      "thick",
      "thin"
    ],
    "quirks": [
      "unitless-length"
    ]
  },
  "border-spacing": {
    "animation-type": "discrete",
    "inherited": true,
    "initial": "0",
    "max-values": 2,
    "valid-types": [
      "length [0,∞]"
    ],
    "quirks": [
      "unitless-length"
    ]
  },
  "border-style": {
    "initial": "none",
    "longhands": [
      "border-top-style",
      "border-right-style",
      "border-bottom-style",
      "border-left-style"
    ],
    "max-values": 4,
    "valid-types": [
      "line-style"
    ]
  },
  "border-top": {
    "inherited": false,
    "initial": "medium currentcolor none",
    "longhands": [
      "border-top-width",
      "border-top-style",
      "border-top-color"
    ]
  },
  "border-top-color": {
    "affects-layout": false,
    "animation-type": "by-computed-value",
    "initial": "currentcolor",
    "inherited": false,
    "valid-types": [
      "color"
    ],
    "quirks": [
      "hashless-hex-color"
    ]
  },
  "border-top-left-radius": {
    "affects-layout": false,
    "animation-type": "by-computed-value",
    "initial": "0",
    "inherited": false,
    "max-values": 2,
    "valid-types": [
      "length [0,∞]",
      "percentage [0,∞]"
    ],
    "percentages-resolve-to": "length"
  },
  "border-top-right-radius": {
    "affects-layout": false,
    "animation-type": "by-computed-value",
    "initial": "0",
    "inherited": false,
    "max-values": 2,
    "valid-types": [
      "length [0,∞]",
      "percentage [0,∞]"
    ],
    "percentages-resolve-to": "length"
  },
  "border-top-style": {
    "animation-type": "discrete",
    "initial": "none",
    "inherited": false,
    "valid-types": [
      "line-style"
    ]
  },
  "border-top-width": {
    "animation-type": "by-computed-value",
    "initial": "medium",
    "inherited": false,
    "valid-types": [
      "length [0,∞]"
    ],
    "valid-identifiers": [
      "medium",
      "thick",
      "thin"
    ],
    "quirks": [
      "unitless-length"
    ]
  },
  "border-width": {
    "initial": "medium",
    "longhands": [
      "border-top-width",
      "border-right-width",
      "border-bottom-width",
      "border-left-width"
    ],
    "max-values": 4,
    "valid-types": [
      "length [0,∞]"
    ],
    "valid-identifiers": [
      "medium",
      "thick",
      "thin"
    ],
    "quirks": [
      "unitless-length"
    ]
  },
  "bottom": {
    "animation-type": "by-computed-value",
    "inherited": false,
    "initial": "auto",
    "valid-types": [
      "length [-∞,∞]",
      "percentage [-∞,∞]"
    ],
    "valid-identifiers": [
      "auto"
    ],
    "percentages-resolve-to": "length",
    "quirks": [
      "unitless-length"
    ]
  },
  "box-shadow": {
    "affects-layout": false,
    "animation-type": "custom",
    "inherited": false,
    "initial": "none",
    "valid-identifiers": [
      "none"
    ]
  },
  "box-sizing": {
    "animation-type": "discrete",
    "inherited": false,
    "initial": "content-box",
    "valid-types": [
      "box-sizing"
    ]
  },
  "caption-side": {
    "animation-type": "discrete",
    "inherited": true,
    "initial": "top",
    "valid-types": [
      "caption-side"
    ]
  },
  "caret-color": {
    "affects-layout": false,
    "animation-type": "by-computed-value",
    "inherited": true,
    "initial": "auto",
    "valid-identifiers": [
      "auto"
    ],
    "valid-types": [
      "color"
    ]
  },
  "clear": {
    "animation-type": "discrete",
    "inherited": false,
    "initial": "none",
    "valid-types": [
      "clear"
    ]
  },
  "clip": {
    "animation-type": "by-computed-value",
    "inherited": false,
    "initial": "auto",
    "valid-identifiers": [
      "auto"
    ],
    "valid-types": [
      "rect"
    ],
    "quirks": [
      "unitless-length"
    ]
  },
  "clip-path": {
    "animation-type": "by-computed-value",
    "affects-layout": false,
    "affects-stacking-context": true,
    "inherited": false,
    "valid-identifiers": [
      "none"
    ],
    "__comment": "FIXME: This should be a <clip-source> | [ <basic-shape> || <geometry-box> ]",
    "valid-types": [
      "basic-shape",
      "url"
    ],
    "initial": "none"
  },
  "clip-rule": {
    "affects-layout": false,
    "animation-type": "discrete",
    "inherited": true,
    "initial": "nonzero",
    "valid-types": [
      "fill-rule"
    ]
  },
  "color": {
    "affects-layout": false,
    "animation-type": "by-computed-value",
    "inherited": true,
    "initial": "canvastext",
    "valid-types": [
      "color"
    ],
    "quirks": [
      "hashless-hex-color"
    ]
  },
  "color-scheme": {
    "affects-layout": false,
    "animation-type": "discrete",
    "inherited": true,
    "initial": "normal",
    "valid-types": [
      "custom-ident ![normal,light,dark,only]"
    ],
    "valid-identifiers": [
      "normal",
      "light",
      "dark"
    ]
  },
  "column-count": {
    "animation-type": "by-computed-value",
    "inherited": false,
    "initial": "auto",
    "valid-types": [
      "integer [1,∞]"
    ],
    "valid-identifiers": [
      "auto"
    ]
  },
  "column-gap": {
    "animation-type": "by-computed-value",
    "inherited": false,
    "initial": "normal",
    "valid-types": [
      "length [0,∞]",
      "percentage [0,∞]"
    ],
    "valid-identifiers": [
      "normal"
    ],
    "percentages-resolve-to": "length"
  },
  "column-span": {
    "animation-type": "discrete",
    "inherited": false,
    "initial": "none",
    "valid-types": [
      "column-span"
    ]
  },
  "column-width": {
    "animation-type": "by-computed-value",
    "inherited": false,
    "initial": "auto",
    "valid-types": [
      "length [0,∞]"
    ],
    "valid-identifiers": [
      "auto"
    ]
  },
  "columns": {
    "inherited": false,
    "initial": "auto auto",
    "longhands": [
      "column-width",
      "column-count"
    ]
  },
  "contain": {
    "affects-stacking-context": true,
    "animation-type": "none",
    "inherited": false,
    "initial": "none",
    "valid-types": [
      "contain"
    ]
  },
  "content": {
    "animation-type": "discrete",
    "inherited": false,
    "initial": "normal",
    "__comment": "FIXME: This accepts a whole lot of other types and identifiers!",
    "valid-types": [
      "counter",
      "string"
    ],
    "valid-identifiers": [
      "normal",
      "none",
      "open-quote",
      "close-quote",
      "no-open-quote",
      "no-close-quote"
    ]
  },
  "content-visibility": {
    "animation-type": "custom",
    "inherited": false,
    "initial": "visible",
    "valid-types": [
      "content-visibility"
    ]
  },
  "counter-increment": {
    "animation-type": "by-computed-value",
    "inherited": false,
    "initial": "none",
    "valid-types": [
      "custom-ident ![none]",
      "integer [-∞,∞]"
    ],
    "valid-identifiers": [
      "none"
    ]
  },
  "counter-reset": {
    "animation-type": "by-computed-value",
    "inherited": false,
    "initial": "none",
    "valid-types": [
      "custom-ident ![none]",
      "integer [-∞,∞]"
    ],
    "valid-identifiers": [
      "none"
    ]
  },
  "counter-set": {
    "animation-type": "by-computed-value",
    "inherited": false,
    "initial": "none",
    "valid-types": [
      "custom-ident ![none]",
      "integer [-∞,∞]"
    ],
    "valid-identifiers": [
      "none"
    ]
  },
  "cursor": {
    "affects-layout": false,
    "animation-type": "discrete",
    "inherited": true,
    "initial": "auto",
    "valid-types": [
      "url",
      "cursor"
    ]
  },
  "cx": {
    "__comment": "This is an SVG 2 geometry property, see: https://www.w3.org/TR/SVG/geometry.html#CX.",
    "animation-type": "by-computed-value",
    "inherited": false,
    "initial": "0",
    "valid-types": [
      "length [-∞,∞]",
      "percentage [-∞,∞]"
    ],
    "percentages-resolve-to": "length",
    "quirks": [
      "unitless-length"
    ]
  },
  "cy": {
    "__comment": "This is an SVG 2 geometry property, see: https://www.w3.org/TR/SVG/geometry.html#CY.",
    "animation-type": "by-computed-value",
    "inherited": false,
    "initial": "0",
    "valid-types": [
      "length [-∞,∞]",
      "percentage [-∞,∞]"
    ],
    "percentages-resolve-to": "length",
    "quirks": [
      "unitless-length"
    ]
  },
  "direction": {
    "animation-type": "none",
    "inherited": true,
    "initial": "ltr",
    "valid-types": [
      "direction"
    ]
  },
  "display": {
    "animation-type": "custom",
    "inherited": false,
    "initial": "inline",
    "max-values": 3,
    "valid-identifiers": [
      "list-item"
    ],
    "valid-types": [
      "display-outside",
      "display-inside",
      "display-internal",
      "display-box",
      "display-legacy"
    ]
  },
  "fill": {
    "affects-layout": false,
    "animation-type": "none",
    "inherited": true,
    "initial": "black",
    "valid-types": [
      "paint"
    ]
  },
  "fill-opacity": {
    "affects-layout": false,
    "animation-type": "by-computed-value",
    "inherited": true,
    "initial": "1",
    "valid-types": [
      "number [-∞,∞]",
      "percentage [-∞,∞]"
    ]
  },
  "fill-rule": {
    "affects-layout": false,
    "animation-type": "discrete",
    "inherited": true,
    "initial": "nonzero",
    "valid-types": [
      "fill-rule"
    ]
  },
  "filter": {
    "affects-layout": false,
    "animation-type": "custom",
    "inherited": false,
    "initial": "none",
    "__comment": "FIXME: List `filter-value-list` as a valid-type once it's generically supported.",
    "valid-identifiers": [
      "none"
    ]
  },
  "flex": {
    "inherited": false,
    "initial": "0 1 auto",
    "valid-identifiers": [
      "none"
    ],
    "longhands": [
      "flex-grow",
      "flex-shrink",
      "flex-basis"
    ]
  },
  "flex-basis": {
    "animation-type": "by-computed-value",
    "inherited": false,
    "initial": "auto",
    "valid-types": [
      "fit-content",
      "length [0,∞]",
      "percentage [0,∞]"
    ],
    "valid-identifiers": [
      "auto",
      "content",
      "max-content",
      "min-content"
    ],
    "percentages-resolve-to": "length"
  },
  "flex-direction": {
    "animation-type": "discrete",
    "inherited": false,
    "initial": "row",
    "valid-types": [
      "flex-direction"
    ]
  },
  "flex-flow": {
    "inherited": false,
    "initial": "row nowrap",
    "longhands": [
      "flex-direction",
      "flex-wrap"
    ]
  },
  "flex-grow": {
    "animation-type": "by-computed-value",
    "inherited": false,
    "initial": "0",
    "valid-types": [
      "number [0,∞]"
    ]
  },
  "flex-shrink": {
    "animation-type": "by-computed-value",
    "inherited": false,
    "initial": "1",
    "valid-types": [
      "number [0,∞]"
    ]
  },
  "flex-wrap": {
    "animation-type": "discrete",
    "inherited": false,
    "initial": "nowrap",
    "valid-types": [
      "flex-wrap"
    ]
  },
  "float": {
    "animation-type": "discrete",
    "inherited": false,
    "initial": "none",
    "valid-types": [
      "float"
    ]
  },
  "font": {
    "inherited": true,
    "initial": "normal medium serif",
    "__comment": "FIXME: Handle properties that are reset implicitly. https://drafts.csswg.org/css-fonts/#reset-implicitly",
    "longhands": [
      "font-family",
      "font-size",
      "font-width",
      "font-style",
      "font-variant",
      "font-weight",
      "line-height"
    ]
  },
  "font-family": {
    "animation-type": "discrete",
    "inherited": true,
    "initial": "serif",
    "valid-types": [
      "custom-ident",
      "string"
    ]
  },
  "font-feature-settings": {
    "animation-type": "discrete",
    "inherited": true,
    "initial": "normal",
    "valid-types": [
      "integer [0,∞]",
      "opentype-tag"
    ],
    "valid-identifiers": [
      "normal",
      "on",
      "off"
    ]
  },
  "font-language-override": {
    "animation-type": "discrete",
    "inherited": true,
    "initial": "normal",
    "valid-types": [
      "string"
    ],
    "valid-identifiers": [
      "normal"
    ]
  },
  "font-size": {
    "animation-type": "by-computed-value",
    "inherited": true,
    "initial": "medium",
    "valid-types": [
      "length [0,∞]",
      "percentage [0,∞]"
    ],
    "valid-identifiers": [
      "large",
      "larger",
      "medium",
      "small",
      "smaller",
      "x-large",
      "x-small",
      "xx-large",
      "xx-small",
      "xxx-large",
      "math"
    ],
    "percentages-resolve-to": "length",
    "quirks": [
      "unitless-length"
    ]
  },
  "font-stretch": {
    "legacy-alias-for": "font-width"
  },
  "font-style": {
    "animation-type": "custom",
    "inherited": true,
    "initial": "normal",
    "valid-types": [
      "font-style"
    ]
  },
  "font-variant": {
    "inherited": true,
    "initial": "normal",
    "longhands": [
      "font-variant-alternates",
      "font-variant-caps",
      "font-variant-east-asian",
      "font-variant-emoji",
      "font-variant-ligatures",
      "font-variant-numeric",
      "font-variant-position"
    ],
    "valid-types": [
      "string"
    ]
  },
  "font-variant-alternates": {
    "animation-type": "discrete",
    "inherited": true,
    "initial": "normal",
    "valid-types": [
      "font-variant-alternates"
    ]
  },
  "font-variant-caps": {
    "animation-type": "discrete",
    "inherited": true,
    "initial": "normal",
    "valid-types": [
      "font-variant-caps"
    ]
  },
  "font-variant-east-asian": {
    "animation-type": "discrete",
    "inherited": true,
    "initial": "normal",
    "valid-types": [
      "font-variant-east-asian"
    ]
  },
  "font-variant-emoji": {
    "animation-type": "discrete",
    "inherited": true,
    "initial": "normal",
    "valid-types": [
      "font-variant-emoji"
    ]
  },
  "font-variant-ligatures": {
    "animation-type": "discrete",
    "inherited": true,
    "initial": "normal",
    "valid-types": [
      "font-variant-ligatures"
    ]
  },
  "font-variant-numeric": {
    "animation-type": "discrete",
    "inherited": true,
    "initial": "normal",
    "valid-types": [
      "font-variant-numeric"
    ]
  },
  "font-variant-position": {
    "animation-type": "discrete",
    "inherited": true,
    "initial": "normal",
    "valid-types": [
      "font-variant-position"
    ]
  },
  "font-variation-settings": {
    "animation-type": "custom",
    "inherited": true,
    "initial": "normal",
    "valid-types": [
      "number",
      "opentype-tag"
    ],
    "valid-identifiers": [
      "normal"
    ]
  },
  "font-weight": {
    "animation-type": "by-computed-value",
    "inherited": true,
    "initial": "normal",
    "valid-types": [
      "number [1,1000]"
    ],
    "valid-identifiers": [
      "bold",
      "bolder",
      "lighter",
      "normal"
    ]
  },
  "font-width": {
    "animation-type": "by-computed-value",
    "inherited": true,
    "initial": "normal",
    "valid-types": [
      "percentage [0,∞]",
      "font-width"
    ]
  },
  "gap": {
    "inherited": false,
    "initial": "normal",
    "valid-types": [
      "length [0,∞]",
      "percentage [0,∞]"
    ],
    "max-values": 2,
    "valid-identifiers": [
      "normal"
    ],
    "percentages-resolve-to": "length",
    "longhands": [
      "row-gap",
      "column-gap"
    ]
  },
  "grid": {
    "inherited": false,
    "initial": "auto",
    "valid-identifiers": [
      "auto"
    ],
    "valid-types": [
      "length",
      "percentage",
      "string"
    ],
    "percentages-resolve-to": "length",
    "longhands": [
      "grid-template-areas",
      "grid-template-rows",
      "grid-template-columns"
    ]
  },
  "grid-area": {
    "inherited": false,
    "initial": "auto",
    "valid-identifiers": [
      "auto"
    ],
    "valid-types": [
      "string"
    ],
    "longhands": [
      "grid-column-end",
      "grid-column-start",
      "grid-row-end",
      "grid-row-start"
    ]
  },
  "grid-auto-columns": {
    "animation-type": "by-computed-value",
    "inherited": false,
    "initial": "auto",
    "valid-identifiers": [
      "auto"
    ],
    "valid-types": [
      "length",
      "percentage",
      "string"
    ],
    "percentages-resolve-to": "length"
  },
  "grid-auto-flow": {
    "animation-type": "discrete",
    "inherited": false,
    "initial": "row"
  },
  "grid-auto-rows": {
    "animation-type": "by-computed-value",
    "inherited": false,
    "initial": "auto",
    "valid-identifiers": [
      "auto"
    ],
    "valid-types": [
      "length",
      "percentage",
      "string"
    ],
    "percentages-resolve-to": "length"
  },
  "grid-column": {
    "inherited": false,
    "initial": "auto",
    "valid-identifiers": [
      "auto"
    ],
    "valid-types": [
      "string"
    ],
    "longhands": [
      "grid-column-end",
      "grid-column-start"
    ]
  },
  "grid-column-end": {
    "animation-type": "discrete",
    "inherited": false,
    "initial": "auto",
    "valid-identifiers": [
      "auto"
    ],
    "valid-types": [
      "string"
    ]
  },
  "grid-column-gap": {
    "legacy-alias-for": "column-gap"
  },
  "grid-column-start": {
    "animation-type": "discrete",
    "inherited": false,
    "initial": "auto",
    "valid-identifiers": [
      "auto"
    ],
    "valid-types": [
      "string"
    ]
  },
  "grid-gap": {
    "legacy-alias-for": "gap"
  },
  "grid-row": {
    "inherited": false,
    "initial": "auto",
    "valid-identifiers": [
      "auto"
    ],
    "valid-types": [
      "string"
    ],
    "longhands": [
      "grid-row-end",
      "grid-row-start"
    ]
  },
  "grid-row-end": {
    "animation-type": "discrete",
    "inherited": false,
    "initial": "auto",
    "valid-identifiers": [
      "auto"
    ],
    "valid-types": [
      "string"
    ]
  },
  "grid-row-gap": {
    "legacy-alias-for": "row-gap"
  },
  "grid-row-start": {
    "animation-type": "discrete",
    "inherited": false,
    "initial": "auto",
    "valid-identifiers": [
      "auto"
    ],
    "valid-types": [
      "string"
    ]
  },
  "grid-template": {
    "inherited": false,
    "initial": "auto",
    "valid-identifiers": [
      "auto"
    ],
    "valid-types": [
      "length",
      "percentage",
      "string"
    ],
    "percentages-resolve-to": "length",
    "longhands": [
      "grid-template-areas",
      "grid-template-rows",
      "grid-template-columns"
    ]
  },
  "grid-template-areas": {
    "animation-type": "discrete",
    "inherited": false,
    "initial": "none",
    "valid-identifiers": [
      "none"
    ],
    "valid-types": [
      "string"
    ]
  },
  "grid-template-columns": {
    "animation-type": "custom",
    "inherited": false,
    "initial": "none",
    "max-values": 4,
    "valid-identifiers": [
      "auto"
    ],
    "valid-types": [
      "length",
      "percentage",
      "string"
    ],
    "percentages-resolve-to": "length"
  },
  "grid-template-rows": {
    "animation-type": "custom",
    "inherited": false,
    "initial": "none",
    "max-values": 4,
    "valid-identifiers": [
      "auto"
    ],
    "valid-types": [
      "length",
      "percentage",
      "string"
    ],
    "percentages-resolve-to": "length"
  },
  "height": {
    "animation-type": "by-computed-value",
    "inherited": false,
    "initial": "auto",
    "valid-types": [
      "fit-content",
      "length [0,∞]",
      "percentage [0,∞]"
    ],
    "valid-identifiers": [
      "auto",
      "max-content",
      "min-content"
    ],
    "percentages-resolve-to": "length",
    "quirks": [
      "unitless-length"
    ]
  },
  "image-rendering": {
    "animation-type": "discrete",
    "affects-layout": false,
    "inherited": true,
    "initial": "auto",
    "valid-types": [
      "image-rendering"
    ]
  },
  "inline-size": {
    "logical-alias-for": [
      "width",
      "height"
    ],
    "initial": "auto",
    "max-values": 1
  },
  "inset": {
    "inherited": false,
    "initial": "auto",
    "longhands": [
      "top",
      "right",
      "bottom",
      "left"
    ],
    "max-values": 4,
    "valid-types": [
      "length [-∞,∞]",
      "percentage [-∞,∞]"
    ],
    "valid-identifiers": [
      "auto"
    ],
    "percentages-resolve-to": "length"
  },
  "inset-block": {
    "logical-alias-for": [
      "inset"
    ],
    "max-values": 2
  },
  "inset-block-end": {
    "logical-alias-for": [
      "top",
      "right",
      "bottom",
      "left"
    ],
    "max-values": 1
  },
  "inset-block-start": {
    "logical-alias-for": [
      "top",
      "right",
      "bottom",
      "left"
    ],
    "max-values": 1
  },
  "inset-inline": {
    "logical-alias-for": [
      "inset"
    ],
    "max-values": 2
  },
  "inset-inline-end": {
    "logical-alias-for": [
      "top",
      "right",
      "bottom",
      "left"
    ],
    "max-values": 1
  },
  "inset-inline-start": {
    "logical-alias-for": [
      "top",
      "right",
      "bottom",
      "left"
    ],
    "max-values": 1
  },
  "isolation": {
    "animation-type": "none",
    "inherited": false,
    "initial": "auto",
    "valid-types": [
      "isolation"
    ]
  },
  "justify-content": {
    "animation-type": "discrete",
    "inherited": false,
    "initial": "normal",
    "valid-types": [
      "justify-content"
    ]
  },
  "justify-items": {
    "animation-type": "discrete",
    "inherited": false,
    "initial": "legacy",
    "valid-types": [
      "justify-items"
    ]
  },
  "justify-self": {
    "animation-type": "discrete",
    "inherited": false,
    "initial": "auto",
    "valid-types": [
      "justify-self"
    ]
  },
  "left": {
    "animation-type": "by-computed-value",
    "inherited": false,
    "initial": "auto",
    "valid-types": [
      "length [-∞,∞]",
      "percentage [-∞,∞]"
    ],
    "valid-identifiers": [
      "auto"
    ],
    "percentages-resolve-to": "length",
    "quirks": [
      "unitless-length"
    ]
  },
  "letter-spacing": {
    "animation-type": "by-computed-value",
    "inherited": true,
    "initial": "normal",
    "valid-types": [
      "length [-∞,∞]",
      "percentage [-∞,∞]"
    ],
    "percentages-resolve-to": "length",
    "valid-identifiers": [
      "normal"
    ],
    "quirks": [
      "unitless-length"
    ]
  },
  "line-height": {
    "animation-type": "by-computed-value",
    "inherited": true,
    "initial": "normal",
    "valid-types": [
      "length [0,∞]",
      "number [0,∞]",
      "percentage [0,∞]"
    ],
    "valid-identifiers": [
      "normal"
    ],
    "percentages-resolve-to": "length"
  },
  "list-style": {
    "inherited": true,
    "initial": "outside none disc",
    "longhands": [
      "list-style-position",
      "list-style-image",
      "list-style-type"
    ]
  },
  "list-style-image": {
    "animation-type": "discrete",
    "inherited": true,
    "initial": "none",
    "valid-types": [
      "image"
    ],
    "valid-identifiers": [
      "none"
    ]
  },
  "list-style-position": {
    "animation-type": "discrete",
    "inherited": true,
    "initial": "outside",
    "valid-types": [
      "list-style-position"
    ]
  },
  "list-style-type": {
    "animation-type": "discrete",
    "inherited": true,
    "initial": "disc",
    "valid-types": [
      "counter-style-name-keyword",
      "string"
    ]
  },
  "margin": {
    "inherited": false,
    "initial": "0",
    "longhands": [
      "margin-top",
      "margin-right",
      "margin-bottom",
      "margin-left"
    ],
    "max-values": 4,
    "valid-types": [
      "length [-∞,∞]",
      "percentage [-∞,∞]"
    ],
    "valid-identifiers": [
      "auto"
    ],
    "percentages-resolve-to": "length",
    "quirks": [
      "unitless-length"
    ]
  },
  "margin-block": {
    "logical-alias-for": [
      "margin"
    ],
    "max-values": 2
  },
  "margin-block-end": {
    "logical-alias-for": [
      "margin-top",
      "margin-right",
      "margin-bottom",
      "margin-left"
    ]
  },
  "margin-block-start": {
    "logical-alias-for": [
      "margin-top",
      "margin-right",
      "margin-bottom",
      "margin-left"
    ]
  },
  "margin-bottom": {
    "animation-type": "by-computed-value",
    "inherited": false,
    "initial": "0",
    "valid-types": [
      "length [-∞,∞]",
      "percentage [-∞,∞]"
    ],
    "valid-identifiers": [
      "auto"
    ],
    "percentages-resolve-to": "length",
    "quirks": [
      "unitless-length"
    ]
  },
  "margin-inline": {
    "logical-alias-for": [
      "margin"
    ],
    "max-values": 2
  },
  "margin-inline-end": {
    "logical-alias-for": [
      "margin-top",
      "margin-right",
      "margin-bottom",
      "margin-left"
    ]
  },
  "margin-inline-start": {
    "logical-alias-for": [
      "margin-top",
      "margin-right",
      "margin-bottom",
      "margin-left"
    ]
  },
  "margin-left": {
    "animation-type": "by-computed-value",
    "inherited": false,
    "initial": "0",
    "valid-types": [
      "length [-∞,∞]",
      "percentage [-∞,∞]"
    ],
    "valid-identifiers": [
      "auto"
    ],
    "percentages-resolve-to": "length",
    "quirks": [
      "unitless-length"
    ]
  },
  "margin-right": {
    "animation-type": "by-computed-value",
    "inherited": false,
    "initial": "0",
    "valid-types": [
      "length [-∞,∞]",
      "percentage [-∞,∞]"
    ],
    "valid-identifiers": [
      "auto"
    ],
    "percentages-resolve-to": "length",
    "quirks": [
      "unitless-length"
    ]
  },
  "margin-top": {
    "animation-type": "by-computed-value",
    "inherited": false,
    "initial": "0",
    "valid-types": [
      "length [-∞,∞]",
      "percentage [-∞,∞]"
    ],
    "valid-identifiers": [
      "auto"
    ],
    "percentages-resolve-to": "length",
    "quirks": [
      "unitless-length"
    ]
  },
  "mask": {
    "inherited": false,
    "__comment": "FIXME: add longhands mask-clip, mask-composite, mask-mode, mask-origin, mask-position, mask-repeat, mask-size; also reset mask-border",
    "initial": "none",
    "longhands": [
      "mask-image"
    ]
  },
  "mask-image": {
    "animation-type": "discrete",
    "inherited": false,
    "affects-layout": false,
    "affects-stacking-context": true,
    "valid-types": [
      "image",
      "url"
    ],
    "valid-identifiers": [
      "none"
    ],
    "initial": "none"
  },
  "mask-type": {
    "animation-type": "discrete",
    "inherited": false,
    "affects-layout": false,
    "valid-types": [
      "mask-type"
    ],
    "initial": "luminance"
  },
  "math-depth": {
    "animation-type": "none",
    "inherited": true,
    "initial": "0",
    "__comment": "FIXME: `add(<integer>)` is also valid but we can't represent that here yet.",
    "valid-types": [
      "integer"
    ],
    "valid-identifiers": [
      "auto-add"
    ]
  },
  "math-shift": {
    "animation-type": "none",
    "inherited": true,
    "initial": "normal",
    "valid-types": [
      "math-shift"
    ]
  },
  "math-style": {
    "animation-type": "none",
    "inherited": true,
    "initial": "normal",
    "valid-types": [
      "math-style"
    ]
  },
  "max-block-size": {
    "logical-alias-for": [
      "max-height",
      "max-width"
    ],
    "initial": "none"
  },
  "max-height": {
    "animation-type": "by-computed-value",
    "inherited": false,
    "initial": "none",
    "valid-types": [
      "fit-content",
      "length [0,∞]",
      "percentage [0,∞]"
    ],
    "valid-identifiers": [
      "max-content",
      "min-content",
      "none"
    ],
    "percentages-resolve-to": "length",
    "quirks": [
      "unitless-length"
    ]
  },
  "max-inline-size": {
    "logical-alias-for": [
      "max-width",
      "max-height"
    ],
    "initial": "none"
  },
  "max-width": {
    "animation-type": "by-computed-value",
    "inherited": false,
    "initial": "none",
    "valid-types": [
      "fit-content",
      "length [0,∞]",
      "percentage [0,∞]"
    ],
    "valid-identifiers": [
      "max-content",
      "min-content",
      "none"
    ],
    "percentages-resolve-to": "length",
    "quirks": [
      "unitless-length"
    ]
  },
  "min-block-size": {
    "logical-alias-for": [
      "min-height",
      "min-width"
    ],
    "initial": "0"
  },
  "min-height": {
    "animation-type": "by-computed-value",
    "inherited": false,
    "initial": "auto",
    "valid-types": [
      "fit-content",
      "length [0,∞]",
      "percentage [0,∞]"
    ],
    "valid-identifiers": [
      "auto",
      "max-content",
      "min-content"
    ],
    "percentages-resolve-to": "length",
    "quirks": [
      "unitless-length"
    ]
  },
  "min-inline-size": {
    "logical-alias-for": [
      "min-width",
      "min-height"
    ],
    "initial": "0"
  },
  "min-width": {
    "animation-type": "by-computed-value",
    "inherited": false,
    "initial": "auto",
    "valid-types": [
      "fit-content",
      "length [0,∞]",
      "percentage [0,∞]"
    ],
    "valid-identifiers": [
      "auto",
      "max-content",
      "min-content"
    ],
    "percentages-resolve-to": "length",
    "quirks": [
      "unitless-length"
    ]
  },
  "mix-blend-mode": {
    "animation-type": "none",
    "inherited": false,
    "initial": "normal",
    "valid-types": [
      "mix-blend-mode"
    ]
  },
  "object-fit": {
    "animation-type": "discrete",
    "inherited": false,
    "initial": "fill",
    "valid-types": [
      "object-fit"
    ]
  },
  "object-position": {
    "animation-type": "repeatable-list",
    "affects-layout": false,
    "inherited": false,
    "initial": "50% 50%",
    "valid-types": [
      "position"
    ],
    "percentages-resolve-to": "length"
  },
  "opacity": {
    "animation-type": "by-computed-value",
    "affects-layout": false,
    "affects-stacking-context": true,
    "inherited": false,
    "initial": "1",
    "valid-types": [
      "number [-∞,∞]",
      "percentage [-∞,∞]"
    ],
    "__comment": "We don't have a percentages-resolve-to here because even though we're supposed to map percentages to [0,1], calc(10%) should resolve to 10% not 0.1."
  },
  "order": {
    "animation-type": "by-computed-value",
    "inherited": false,
    "initial": "0",
    "valid-types": [
      "integer [-∞,∞]"
    ]
  },
  "outline": {
    "affects-layout": false,
    "inherited": false,
    "initial": "medium currentColor none",
    "longhands": [
      "outline-color",
      "outline-style",
      "outline-width"
    ]
  },
  "outline-color": {
    "affects-layout": false,
    "animation-type": "by-computed-value",
    "inherited": false,
    "__comment": "FIXME: We don't yet support `invert`. Until we do, the spec directs us to use `currentColor` as the default instead, and reject `invert`",
    "initial": "currentColor",
    "valid-types": [
      "color"
    ]
  },
  "outline-offset": {
    "affects-layout": false,
    "animation-type": "by-computed-value",
    "inherited": false,
    "initial": "0",
    "valid-types": [
      "length [-∞,∞]"
    ]
  },
  "outline-style": {
    "affects-layout": false,
    "animation-type": "by-computed-value",
    "inherited": false,
    "initial": "none",
    "valid-types": [
      "outline-style"
    ]
  },
  "outline-width": {
    "affects-layout": false,
    "animation-type": "by-computed-value",
    "inherited": false,
    "initial": "medium",
    "valid-types": [
      "length [0,∞]"
    ],
    "valid-identifiers": [
      "medium",
      "thick",
      "thin"
    ]
  },
  "overflow": {
    "longhands": [
      "overflow-x",
      "overflow-y"
    ],
    "inherited": false,
    "initial": "visible",
    "max-values": 2,
    "valid-types": [
      "overflow"
    ]
  },
  "overflow-x": {
    "animation-type": "discrete",
    "inherited": false,
    "initial": "visible",
    "valid-types": [
      "overflow"
    ]
  },
  "overflow-y": {
    "animation-type": "discrete",
    "inherited": false,
    "initial": "visible",
    "valid-types": [
      "overflow"
    ]
  },
  "padding": {
    "inherited": false,
    "initial": "0",
    "longhands": [
      "padding-top",
      "padding-right",
      "padding-bottom",
      "padding-left"
    ],
    "max-values": 4,
    "valid-types": [
      "length [0,∞]",
      "percentage [0,∞]"
    ],
    "percentages-resolve-to": "length",
    "quirks": [
      "unitless-length"
    ]
  },
  "padding-block": {
    "logical-alias-for": [
      "padding"
    ],
    "max-values": 2
  },
  "padding-block-end": {
    "logical-alias-for": [
      "padding-top",
      "padding-right",
      "padding-bottom",
      "padding-left"
    ]
  },
  "padding-block-start": {
    "logical-alias-for": [
      "padding-top",
      "padding-right",
      "padding-bottom",
      "padding-left"
    ]
  },
  "padding-bottom": {
    "animation-type": "by-computed-value",
    "inherited": false,
    "initial": "0",
    "valid-types": [
      "length [0,∞]",
      "percentage [0,∞]"
    ],
    "percentages-resolve-to": "length",
    "quirks": [
      "unitless-length"
    ]
  },
  "padding-inline": {
    "logical-alias-for": [
      "padding"
    ],
    "max-values": 2
  },
  "padding-inline-end": {
    "logical-alias-for": [
      "padding-top",
      "padding-right",
      "padding-bottom",
      "padding-left"
    ]
  },
  "padding-inline-start": {
    "logical-alias-for": [
      "padding-top",
      "padding-right",
      "padding-bottom",
      "padding-left"
    ]
  },
  "padding-left": {
    "animation-type": "by-computed-value",
    "inherited": false,
    "initial": "0",
    "valid-types": [
      "length [0,∞]",
      "percentage [0,∞]"
    ],
    "percentages-resolve-to": "length",
    "quirks": [
      "unitless-length"
    ]
  },
  "padding-right": {
    "animation-type": "by-computed-value",
    "inherited": false,
    "initial": "0",
    "valid-types": [
      "length [0,∞]",
      "percentage [0,∞]"
    ],
    "percentages-resolve-to": "length",
    "quirks": [
      "unitless-length"
    ]
  },
  "padding-top": {
    "animation-type": "by-computed-value",
    "inherited": false,
    "initial": "0",
    "valid-types": [
      "length [0,∞]",
      "percentage [0,∞]"
    ],
    "percentages-resolve-to": "length",
    "quirks": [
      "unitless-length"
    ]
  },
  "place-content": {
    "inherited": false,
    "initial": "normal",
    "longhands": [
      "align-content",
      "justify-content"
    ]
  },
  "place-items": {
    "inherited": false,
    "initial": "normal",
    "longhands": [
      "align-items",
      "justify-items"
    ]
  },
  "place-self": {
    "inherited": false,
    "initial": "normal",
    "longhands": [
      "align-self",
      "justify-self"
    ]
  },
  "pointer-events": {
    "affects-layout": false,
    "animation-type": "discrete",
    "inherited": true,
    "initial": "auto",
    "valid-types": [
      "pointer-events"
    ]
  },
  "position": {
    "animation-type": "discrete",
    "inherited": false,
    "initial": "static",
    "valid-types": [
      "positioning"
    ]
  },
  "quotes": {
    "animation-type": "discrete",
    "inherited": true,
    "initial": "auto",
    "valid-types": [
      "string"
    ],
    "valid-identifiers": [
      "auto",
      "none"
    ]
  },
  "r": {
    "__comment": "This is an SVG 2 geometry property, see: https://www.w3.org/TR/SVG/geometry.html#R.",
    "animation-type": "by-computed-value",
    "inherited": false,
    "initial": "0",
    "valid-types": [
      "length [-∞,∞]",
      "percentage [-∞,∞]"
    ],
    "percentages-resolve-to": "length",
    "quirks": [
      "unitless-length"
    ]
  },
  "right": {
    "animation-type": "by-computed-value",
    "inherited": false,
    "initial": "auto",
    "valid-types": [
      "length [-∞,∞]",
      "percentage [-∞,∞]"
    ],
    "valid-identifiers": [
      "auto"
    ],
    "percentages-resolve-to": "length",
    "quirks": [
      "unitless-length"
    ]
  },
  "rotate": {
    "animation-type": "custom",
    "inherited": false,
    "initial": "none",
    "affects-layout": false,
    "affects-stacking-context": true
  },
  "row-gap": {
    "animation-type": "by-computed-value",
    "inherited": false,
    "initial": "normal",
    "valid-types": [
      "length [0,∞]",
      "percentage [0,∞]"
    ],
    "valid-identifiers": [
      "normal"
    ],
    "percentages-resolve-to": "length"
  },
  "rx": {
    "__comment": "This is an SVG 2 geometry property, see: https://www.w3.org/TR/SVG/geometry.html#RX.",
    "animation-type": "by-computed-value",
    "inherited": false,
    "initial": "auto",
    "valid-types": [
      "length [-∞,∞]",
      "percentage [-∞,∞]"
    ],
    "valid-identifiers": [
      "auto"
    ],
    "percentages-resolve-to": "length",
    "quirks": [
      "unitless-length"
    ]
  },
  "ry": {
    "__comment": "This is an SVG 2 geometry property, see: https://www.w3.org/TR/SVG/geometry.html#RY.",
    "animation-type": "by-computed-value",
    "inherited": false,
    "initial": "auto",
    "valid-types": [
      "length [-∞,∞]",
      "percentage [-∞,∞]"
    ],
    "valid-identifiers": [
      "auto"
    ],
    "percentages-resolve-to": "length",
    "quirks": [
      "unitless-length"
    ]
  },
  "scale": {
    "animation-type": "custom",
    "inherited": false,
    "initial": "none",
    "affects-layout": false,
    "affects-stacking-context": true
  },
  "scrollbar-color": {
    "affects-layout": false,
    "animation-type": "by-computed-value",
    "inherited": "yes",
    "initial": "auto"
  },
  "scrollbar-gutter": {
    "affects-layout": false,
    "animation-type": "discrete",
    "__comment": "This property should affect layout per-spec, but ladybird always uses overlay scrollbars so it doesn't in practice.",
    "inherited": false,
    "initial": "auto"
  },
  "scrollbar-width": {
    "affects-layout": false,
    "animation-type": "by-computed-value",
    "inherited": false,
    "initial": "auto",
    "valid-types": [
      "scrollbar-width"
    ],
    "valid-identifiers": [
      "auto",
      "thin",
      "none"
    ]
  },
  "stop-color": {
    "affects-layout": false,
    "animation-type": "by-computed-value",
    "inherited": false,
    "initial": "black",
    "valid-types": [
      "color"
    ]
  },
  "stop-opacity": {
    "affects-layout": false,
    "animation-type": "by-computed-value",
    "inherited": false,
    "initial": "1",
    "valid-types": [
      "number [-∞,∞]",
      "percentage [-∞,∞]"
    ],
    "__comment": "We don't have a percentages-resolve-to here for the same reason as for opacity."
  },
  "stroke": {
    "affects-layout": false,
    "animation-type": "by-computed-value",
    "inherited": true,
    "initial": "none",
    "valid-types": [
      "paint"
    ]
  },
  "stroke-dasharray": {
    "animation-type": "custom",
    "inherited": true,
    "initial": "none",
    "affects-layout": false
  },
  "stroke-dashoffset": {
    "affects-layout": false,
    "animation-type": "by-computed-value",
    "inherited": true,
    "initial": "0",
    "valid-types": [
      "length [0,∞]",
      "number [0,∞]",
      "percentage [0,∞]"
    ],
    "percentages-resolve-to": "length"
  },
  "stroke-linecap": {
    "affects-layout": false,
    "animation-type": "discrete",
    "inherited": true,
    "initial": "butt",
    "valid-types": [
      "stroke-linecap"
    ]
  },
  "stroke-linejoin": {
    "affects-layout": false,
    "animation-type": "discrete",
    "inherited": true,
    "initial": "miter",
    "valid-types": [
      "stroke-linejoin"
    ]
  },
  "stroke-miterlimit": {
    "affects-layout": false,
    "animation-type": "by-computed-value",
    "inherited": true,
    "initial": "4",
    "valid-types": [
      "number [0,∞]"
    ]
  },
  "stroke-opacity": {
    "affects-layout": false,
    "animation-type": "by-computed-value",
    "inherited": true,
    "initial": "1",
    "valid-types": [
      "number [-∞,∞]",
      "percentage [-∞,∞]"
    ],
    "__comment": "We don't have a percentages-resolve-to here for the same reason as for opacity."
  },
  "stroke-width": {
    "affects-layout": false,
    "animation-type": "by-computed-value",
    "inherited": true,
    "initial": "1px",
    "valid-types": [
      "length [0,∞]",
      "number [0,∞]",
      "percentage [0,∞]"
    ],
    "percentages-resolve-to": "length"
  },
  "tab-size": {
    "animation-type": "by-computed-value",
    "inherited": true,
    "initial": "8",
    "valid-types": [
      "length [0,∞]",
      "number [0,∞]"
    ]
  },
  "table-layout": {
    "animation-type": "discrete",
    "inherited": false,
    "initial": "auto",
    "valid-types": [
      "table-layout"
    ]
  },
  "text-align": {
    "animation-type": "discrete",
    "inherited": true,
    "initial": "start",
    "valid-types": [
      "text-align"
    ]
  },
  "text-anchor": {
    "animation-type": "discrete",
    "inherited": true,
    "initial": "start",
    "valid-types": [
      "text-anchor"
    ]
  },
  "text-decoration": {
    "affects-layout": false,
    "inherited": false,
    "initial": "none",
    "longhands": [
      "text-decoration-color",
      "text-decoration-line",
      "text-decoration-style",
      "text-decoration-thickness"
    ]
  },
  "text-decoration-color": {
    "affects-layout": false,
    "animation-type": "by-computed-value",
    "inherited": false,
    "initial": "currentcolor",
    "valid-types": [
      "color"
    ]
  },
  "text-decoration-line": {
    "affects-layout": false,
    "animation-type": "discrete",
    "__comment": "FIXME: This property is not supposed to be inherited, but we currently rely on inheritance to propagate decorations into line boxes.",
    "inherited": true,
    "initial": "none",
    "valid-types": [
      "text-decoration-line"
    ]
  },
  "text-decoration-style": {
    "affects-layout": false,
    "animation-type": "discrete",
    "inherited": false,
    "initial": "solid",
    "valid-types": [
      "text-decoration-style"
    ]
  },
  "text-decoration-thickness": {
    "affects-layout": false,
    "animation-type": "by-computed-value",
    "inherited": false,
    "initial": "auto",
    "valid-types": [
      "length [-∞,∞]",
      "percentage [-∞,∞]"
    ],
    "valid-identifiers": [
      "auto",
      "from-font"
    ],
    "percentages-resolve-to": "length"
  },
  "text-indent": {
    "animation-type": "by-computed-value",
    "inherited": true,
    "initial": "0",
    "valid-types": [
      "length [-∞,∞]",
      "percentage [-∞,∞]"
    ],
    "percentages-resolve-to": "length",
    "quirks": [
      "unitless-length"
    ]
  },
  "text-justify": {
    "animation-type": "discrete",
    "inherited": true,
    "initial": "auto",
    "valid-types": [
      "text-justify"
    ]
  },
  "text-overflow": {
    "affects-layout": false,
    "animation-type": "discrete",
    "inherited": false,
    "initial": "clip",
    "valid-types": [
      "text-overflow"
    ]
  },
  "text-shadow": {
    "affects-layout": false,
    "animation-type": "custom",
    "inherited": true,
    "initial": "none",
    "valid-identifiers": [
      "none"
    ]
  },
  "text-transform": {
    "__comment": "NOTE: This property has custom invalidation handling.",
    "animation-type": "discrete",
    "inherited": true,
    "initial": "none",
    "valid-types": [
      "text-transform"
    ]
  },
  "text-wrap": {
    "inherited": true,
    "initial": "wrap",
    "longhands": [
      "text-wrap-mode",
      "text-wrap-style"
    ]
  },
  "text-wrap-mode": {
    "animation-type": "discrete",
    "inherited": true,
    "initial": "wrap",
    "valid-types": [
      "text-wrap-mode"
    ]
  },
  "text-wrap-style": {
    "animation-type": "discrete",
    "inherited": true,
    "initial": "auto",
    "valid-types": [
      "text-wrap-style"
    ]
  },
  "top": {
    "animation-type": "by-computed-value",
    "inherited": false,
    "initial": "auto",
    "valid-types": [
      "length [-∞,∞]",
      "percentage [-∞,∞]"
    ],
    "valid-identifiers": [
      "auto"
    ],
    "percentages-resolve-to": "length",
    "quirks": [
      "unitless-length"
    ]
  },
  "touch-action": {
    "animation-type": "discrete",
    "inherited": false,
    "initial": "auto",
    "max-values": 2,
    "valid-types": [
      "touch-action"
    ]
  },
  "transform": {
    "animation-type": "custom",
    "inherited": false,
    "initial": "none",
    "affects-layout": false,
    "affects-stacking-context": true,
    "percentages-resolve-to": "length"
  },
  "transform-box": {
    "animation-type": "discrete",
    "inherited": false,
    "initial": "view-box",
    "affects-layout": false,
    "valid-types": [
      "transform-box"
    ]
  },
  "transform-origin": {
    "affects-layout": false,
    "animation-type": "by-computed-value",
    "inherited": false,
    "initial": "50% 50%",
    "max-values": 3,
    "valid-types": [
      "length [-∞,∞]",
      "percentage [-∞,∞]"
    ],
    "valid-identifiers": [
      "bottom",
      "center",
      "left",
      "right",
      "top"
    ],
    "percentages-resolve-to": "length"
  },
  "transition": {
    "affects-layout": false,
    "inherited": false,
    "initial": "none",
    "longhands": [
      "transition-property",
      "transition-duration",
      "transition-timing-function",
      "transition-delay",
      "transition-behavior"
    ]
  },
  "transition-behavior": {
    "affects-layout": false,
    "animation-type": "none",
    "inherited": false,
    "initial": "normal",
    "valid-types": [
      "transition-behavior"
    ]
  },
  "transition-delay": {
    "affects-layout": false,
    "animation-type": "none",
    "inherited": false,
    "initial": "0s",
    "valid-types": [
      "time"
    ]
  },
  "transition-duration": {
    "affects-layout": false,
    "animation-type": "none",
    "inherited": false,
    "initial": "0s",
    "valid-types": [
      "time [0,∞]"
    ]
  },
  "transition-property": {
    "affects-layout": false,
    "animation-type": "none",
    "inherited": false,
    "initial": "all",
    "valid-types": [
      "custom-ident ![all,none]"
    ],
    "valid-identifiers": [
      "all",
      "none"
    ]
  },
  "transition-timing-function": {
    "affects-layout": false,
    "animation-type": "none",
    "inherited": false,
    "initial": "ease",
    "valid-types": [
      "easing-function"
    ]
  },
  "translate": {
    "animation-type": "custom",
    "inherited": false,
    "initial": "none",
    "affects-layout": false,
    "affects-stacking-context": true
  },
  "unicode-bidi": {
    "animation-type": "none",
    "inherited": false,
    "initial": "normal",
    "valid-types": [
      "unicode-bidi"
    ]
  },
  "user-select": {
    "affects-layout": false,
    "animation-type": "discrete",
    "inherited": false,
    "initial": "auto",
    "valid-types": [
      "user-select"
    ]
  },
  "vertical-align": {
    "animation-type": "by-computed-value",
    "inherited": false,
    "initial": "baseline",
    "valid-types": [
      "length [-∞,∞]",
      "percentage [-∞,∞]",
      "vertical-align"
    ],
    "percentages-resolve-to": "length",
    "quirks": [
      "unitless-length"
    ]
  },
  "view-transition-name": {
    "affects-layout": false,
    "affects-stacking-context": true,
    "animation-type": "discrete",
    "inherited": false,
    "initial": "none",
    "valid-types": [
      "custom-ident ![auto,none]"
    ],
    "valid-identifiers": [
      "none"
    ]
  },
  "visibility": {
    "animation-type": "custom",
    "inherited": true,
    "initial": "visible",
    "valid-types": [
      "visibility"
    ]
  },
  "white-space": {
    "inherited": false,
    "initial": "normal",
    "valid-types": [
      "white-space"
    ],
    "longhands": [
      "white-space-collapse",
      "text-wrap-mode",
      "white-space-trim"
    ]
  },
  "white-space-collapse": {
    "animation-type": "discrete",
    "inherited": true,
    "initial": "collapse",
    "valid-types": [
      "white-space-collapse"
    ]
  },
  "white-space-trim": {
    "animation-type": "discrete",
    "inherited": false,
    "initial": "none",
    "valid-identifiers": [
      "none",
      "discard-before",
      "discard-after",
      "discard-inner"
    ]
  },
  "width": {
    "animation-type": "by-computed-value",
    "inherited": false,
    "initial": "auto",
    "valid-types": [
      "fit-content",
      "length [0,∞]",
      "percentage [0,∞]"
    ],
    "valid-identifiers": [
      "auto",
      "max-content",
      "min-content"
    ],
    "percentages-resolve-to": "length",
    "quirks": [
      "unitless-length"
    ]
  },
  "word-break": {
    "animation-type": "discrete",
    "initial": "normal",
    "inherited": true,
    "valid-identifiers": [
      "normal",
      "keep-all",
      "break-all",
      "break-word"
    ]
  },
  "word-spacing": {
    "animation-type": "by-computed-value",
    "inherited": true,
    "initial": "normal",
    "valid-types": [
      "length [-∞,∞]",
      "percentage [-∞,∞]"
    ],
    "valid-identifiers": [
      "normal"
    ],
    "percentages-resolve-to": "length",
    "quirks": [
      "unitless-length"
    ]
  },
  "word-wrap": {
    "animation-type": "discrete",
    "inherited": true,
    "initial": "normal",
    "valid-identifiers": [
      "anywhere",
      "break-word",
      "normal"
    ]
  },
  "writing-mode": {
    "animation-type": "none",
    "inherited": true,
    "initial": "horizontal-tb",
    "valid-types": [
      "writing-mode"
    ]
  },
  "x": {
    "__comment": "This is an SVG 2 geometry property, see: https://www.w3.org/TR/SVG/geometry.html#X.",
    "animation-type": "by-computed-value",
    "inherited": false,
    "initial": "0",
    "valid-types": [
      "length [-∞,∞]",
      "percentage [-∞,∞]"
    ],
    "percentages-resolve-to": "length",
    "quirks": [
      "unitless-length"
    ]
  },
  "y": {
    "__comment": "This is an SVG 2 geometry property, see: https://www.w3.org/TR/SVG/geometry.html#Y.",
    "animation-type": "by-computed-value",
    "inherited": false,
    "initial": "0",
    "valid-types": [
      "length [-∞,∞]",
      "percentage [-∞,∞]"
    ],
    "percentages-resolve-to": "length",
    "quirks": [
      "unitless-length"
    ]
  },
  "z-index": {
    "affects-layout": false,
    "affects-stacking-context": true,
    "animation-type": "by-computed-value",
    "inherited": false,
    "initial": "auto",
    "valid-types": [
      "integer [-∞,∞]"
    ],
    "valid-identifiers": [
      "auto"
    ]
  }
}
