Highlight::Languages::Css

ATTRIBUTES = (["accent-color", "align-content", "align-items", "align-self", "alignment-baseline", "all", "anchor-name", "animation", "animation-composition", "animation-delay", "animation-direction", "animation-duration", "animation-fill-mode", "animation-iteration-count", "animation-name", "animation-play-state", "animation-range", "animation-range-end", "animation-range-start", "animation-timeline", "animation-timing-function", "appearance", "aspect-ratio", "backdrop-filter", "backface-visibility", "background", "background-attachment", "background-blend-mode", "background-clip", "background-color", "background-image", "background-origin", "background-position", "background-position-x", "background-position-y", "background-repeat", "background-size", "baseline-shift", "block-size", "border", "border-block", "border-block-color", "border-block-end", "border-block-end-color", "border-block-end-style", "border-block-end-width", "border-block-start", "border-block-start-color", "border-block-start-style", "border-block-start-width", "border-block-style", "border-block-width", "border-bottom", "border-bottom-color", "border-bottom-left-radius", "border-bottom-right-radius", "border-bottom-style", "border-bottom-width", "border-collapse", "border-color", "border-end-end-radius", "border-end-start-radius", "border-image", "border-image-outset", "border-image-repeat", "border-image-slice", "border-image-source", "border-image-width", "border-inline", "border-inline-color", "border-inline-end", "border-inline-end-color", "border-inline-end-style", "border-inline-end-width", "border-inline-start", "border-inline-start-color", "border-inline-start-style", "border-inline-start-width", "border-inline-style", "border-inline-width", "border-left", "border-left-color", "border-left-style", "border-left-width", "border-radius", "border-right", "border-right-color", "border-right-style", "border-right-width", "border-spacing", "border-start-end-radius", "border-start-start-radius", "border-style", "border-top", "border-top-color", "border-top-left-radius", "border-top-right-radius", "border-top-style", "border-top-width", "border-width", "bottom", "box-align", "box-decoration-break", "box-direction", "box-flex", "box-flex-group", "box-lines", "box-ordinal-group", "box-orient", "box-pack", "box-shadow", "box-sizing", "break-after", "break-before", "break-inside", "caption-side", "caret-color", "clear", "clip", "clip-path", "clip-rule", "color", "color-interpolation", "color-interpolation-filters", "color-profile", "color-rendering", "color-scheme", "column-count", "column-fill", "column-gap", "column-rule", "column-rule-color", "column-rule-style", "column-rule-width", "column-span", "column-width", "columns", "contain", "contain-intrinsic-block-size", "contain-intrinsic-height", "contain-intrinsic-inline-size", "contain-intrinsic-size", "contain-intrinsic-width", "container", "container-name", "container-type", "content", "content-visibility", "corner-bottom-left-shape", "corner-bottom-right-shape", "corner-shape", "corner-top-left-shape", "corner-top-right-shape", "counter-increment", "counter-reset", "counter-set", "cue", "cue-after", "cue-before", "cursor", "cx", "cy", "direction", "display", "dominant-baseline", "empty-cells", "enable-background", "field-sizing", "fill", "fill-opacity", "fill-rule", "filter", "flex", "flex-basis", "flex-direction", "flex-flow", "flex-grow", "flex-shrink", "flex-wrap", "float", "flood-color", "flood-opacity", "flow", "font", "font-display", "font-family", "font-feature-settings", "font-kerning", "font-language-override", "font-optical-sizing", "font-palette", "font-size", "font-size-adjust", "font-smooth", "font-smoothing", "font-stretch", "font-style", "font-synthesis", "font-synthesis-position", "font-synthesis-small-caps", "font-synthesis-style", "font-synthesis-weight", "font-variant", "font-variant-alternates", "font-variant-caps", "font-variant-east-asian", "font-variant-emoji", "font-variant-ligatures", "font-variant-numeric", "font-variant-position", "font-variation-settings", "font-weight", "forced-color-adjust", "gap", "glyph-orientation-horizontal", "glyph-orientation-vertical", "grid", "grid-area", "grid-auto-columns", "grid-auto-flow", "grid-auto-rows", "grid-column", "grid-column-end", "grid-column-start", "grid-gap", "grid-row", "grid-row-end", "grid-row-start", "grid-template", "grid-template-areas", "grid-template-columns", "grid-template-rows", "hanging-punctuation", "height", "hyphenate-character", "hyphenate-limit-chars", "hyphens", "icon", "image-orientation", "image-rendering", "image-resolution", "ime-mode", "initial-letter", "initial-letter-align", "inline-size", "inset", "inset-area", "inset-block", "inset-block-end", "inset-block-start", "inset-inline", "inset-inline-end", "inset-inline-start", "isolation", "justify-content", "justify-items", "justify-self", "kerning", "left", "letter-spacing", "lighting-color", "line-break", "line-height", "line-height-step", "list-style", "list-style-image", "list-style-position", "list-style-type", "margin", "margin-block", "margin-block-end", "margin-block-start", "margin-bottom", "margin-inline", "margin-inline-end", "margin-inline-start", "margin-left", "margin-right", "margin-top", "margin-trim", "marker", "marker-end", "marker-mid", "marker-start", "marks", "mask", "mask-border", "mask-border-mode", "mask-border-outset", "mask-border-repeat", "mask-border-slice", "mask-border-source", "mask-border-width", "mask-clip", "mask-composite", "mask-image", "mask-mode", "mask-origin", "mask-position", "mask-repeat", "mask-size", "mask-type", "masonry-auto-flow", "math-depth", "math-shift", "math-style", "max-block-size", "max-height", "max-inline-size", "max-width", "min-block-size", "min-height", "min-inline-size", "min-width", "mix-blend-mode", "nav-down", "nav-index", "nav-left", "nav-right", "nav-up", "none", "normal", "object-fit", "object-position", "offset", "offset-anchor", "offset-distance", "offset-path", "offset-position", "offset-rotate", "opacity", "order", "orphans", "outline", "outline-color", "outline-offset", "outline-style", "outline-width", "overflow", "overflow-anchor", "overflow-block", "overflow-clip-margin", "overflow-inline", "overflow-wrap", "overflow-x", "overflow-y", "overlay", "overscroll-behavior", "overscroll-behavior-block", "overscroll-behavior-inline", "overscroll-behavior-x", "overscroll-behavior-y", "padding", "padding-block", "padding-block-end", "padding-block-start", "padding-bottom", "padding-inline", "padding-inline-end", "padding-inline-start", "padding-left", "padding-right", "padding-top", "page", "page-break-after", "page-break-before", "page-break-inside", "paint-order", "pause", "pause-after", "pause-before", "perspective", "perspective-origin", "place-content", "place-items", "place-self", "pointer-events", "position", "position-anchor", "position-visibility", "print-color-adjust", "quotes", "r", "resize", "rest", "rest-after", "rest-before", "right", "rotate", "row-gap", "ruby-align", "ruby-position", "scale", "scroll-behavior", "scroll-margin", "scroll-margin-block", "scroll-margin-block-end", "scroll-margin-block-start", "scroll-margin-bottom", "scroll-margin-inline", "scroll-margin-inline-end", "scroll-margin-inline-start", "scroll-margin-left", "scroll-margin-right", "scroll-margin-top", "scroll-padding", "scroll-padding-block", "scroll-padding-block-end", "scroll-padding-block-start", "scroll-padding-bottom", "scroll-padding-inline", "scroll-padding-inline-end", "scroll-padding-inline-start", "scroll-padding-left", "scroll-padding-right", "scroll-padding-top", "scroll-snap-align", "scroll-snap-stop", "scroll-snap-type", "scroll-timeline", "scroll-timeline-axis", "scroll-timeline-name", "scrollbar-color", "scrollbar-gutter", "scrollbar-width", "shape-image-threshold", "shape-margin", "shape-outside", "shape-rendering", "speak", "speak-as", "src", "stop-color", "stop-opacity", "stroke", "stroke-dasharray", "stroke-dashoffset", "stroke-linecap", "stroke-linejoin", "stroke-miterlimit", "stroke-opacity", "stroke-width", "tab-size", "table-layout", "text-align", "text-align-all", "text-align-last", "text-anchor", "text-combine-upright", "text-decoration", "text-decoration-color", "text-decoration-line", "text-decoration-skip", "text-decoration-skip-ink", "text-decoration-style", "text-decoration-thickness", "text-emphasis", "text-emphasis-color", "text-emphasis-position", "text-emphasis-style", "text-indent", "text-justify", "text-orientation", "text-overflow", "text-rendering", "text-shadow", "text-size-adjust", "text-transform", "text-underline-offset", "text-underline-position", "text-wrap", "text-wrap-mode", "text-wrap-style", "timeline-scope", "top", "touch-action", "transform", "transform-box", "transform-origin", "transform-style", "transition", "transition-behavior", "transition-delay", "transition-duration", "transition-property", "transition-timing-function", "translate", "unicode-bidi", "unicode-range", "user-modify", "user-select", "vector-effect", "vertical-align", "view-timeline", "view-timeline-axis", "view-timeline-inset", "view-timeline-name", "view-transition-name", "visibility", "voice-balance", "voice-duration", "voice-family", "voice-pitch", "voice-range", "voice-rate", "voice-stress", "voice-volume", "white-space", "white-space-collapse", "widows", "width", "will-change", "word-break", "word-spacing", "word-wrap", "writing-mode", "x", "y", "z-index", "zoom"] of ::String).sort.reverse

HTML_TAGS = ["a", "abbr", "address", "article", "aside", "audio", "b", "blockquote", "body", "button", "canvas", "caption", "cite", "code", "dd", "del", "details", "dfn", "div", "dl", "dt", "em", "fieldset", "figcaption", "figure", "footer", "form", "h1", "h2", "h3", "h4", "h5", "h6", "header", "hgroup", "html", "i", "iframe", "img", "input", "ins", "kbd", "label", "legend", "li", "main", "mark", "menu", "nav", "object", "ol", "optgroup", "option", "p", "picture", "q", "quote", "samp", "section", "select", "source", "span", "strong", "summary", "sup", "table", "tbody", "td", "textarea", "tfoot", "th", "thead", "time", "tr", "ul", "var", "video"] of ::String

IDENT_RE = "[a-zA-Z-][a-zA-Z0-9_-]*"

MEDIA_FEATURES = (["any-hover", "any-pointer", "aspect-ratio", "color", "color-gamut", "color-index", "device-aspect-ratio", "device-height", "device-width", "display-mode", "forced-colors", "grid", "height", "hover", "inverted-colors", "monochrome", "orientation", "overflow-block", "overflow-inline", "pointer", "prefers-color-scheme", "prefers-contrast", "prefers-reduced-motion", "prefers-reduced-transparency", "resolution", "scan", "scripting", "update", "width", "min-width", "max-width", "min-height", "max-height"] of ::String).sort.reverse

PSEUDO_CLASSES = (["active", "any-link", "blank", "checked", "current", "default", "defined", "dir", "disabled", "drop", "empty", "enabled", "first", "first-child", "first-of-type", "fullscreen", "future", "focus", "focus-visible", "focus-within", "has", "host", "host-context", "hover", "indeterminate", "in-range", "invalid", "is", "lang", "last-child", "last-of-type", "left", "link", "local-link", "not", "nth-child", "nth-col", "nth-last-child", "nth-last-col", "nth-last-of-type", "nth-of-type", "only-child", "only-of-type", "optional", "out-of-range", "past", "placeholder-shown", "read-only", "read-write", "required", "right", "root", "scope", "target", "target-within", "user-invalid", "valid", "visited", "where"] of ::String).sort.reverse

PSEUDO_ELEMENTS = (["after", "backdrop", "before", "cue", "cue-region", "first-letter", "first-line", "grammar-error", "marker", "part", "placeholder", "selection", "slotted", "spelling-error"] of ::String).sort.reverse

SVG_TAGS = ["defs", "g", "marker", "mask", "pattern", "svg", "switch", "symbol", "feBlend", "feColorMatrix", "feComponentTransfer", "feComposite", "feConvolveMatrix", "feDiffuseLighting", "feDisplacementMap", "feFlood", "feGaussianBlur", "feImage", "feMerge", "feMorphology", "feOffset", "feSpecularLighting", "feTile", "feTurbulence", "linearGradient", "radialGradient", "stop", "circle", "ellipse", "image", "line", "path", "polygon", "polyline", "rect", "text", "use", "textPath", "tspan", "foreignObject", "clipPath"] of ::String

TAGS = HTML_TAGS + SVG_TAGS

defined(hljs : HLJS) : Mode