{ "abs()": { "syntax": "abs( )" }, "absolute-size": { "syntax": "xx-small | x-small | small | medium | large | x-large | xx-large | xxx-large" }, "acos()": { "syntax": "acos( )" }, "alpha-value": { "syntax": " | " }, "angle-percentage": { "syntax": " | " }, "angular-color-hint": { "syntax": "" }, "angular-color-stop": { "syntax": " && ?" }, "angular-color-stop-list": { "syntax": "[ [, ]? ]# , " }, "animateable-feature": { "syntax": "scroll-position | contents | " }, "asin()": { "syntax": "asin( )" }, "atan()": { "syntax": "atan( )" }, "atan2()": { "syntax": "atan2( , )" }, "attachment": { "syntax": "scroll | fixed | local" }, "attr()": { "syntax": "attr(

? [, ]? )" }, "attr-matcher": { "syntax": "[ '~' | '|' | '^' | '$' | '*' ]? '='" }, "attr-modifier": { "syntax": "i | s" }, "attribute-selector": { "syntax": "'[' ']' | '['

[ | ] ? ']'" }, "auto-repeat": { "syntax": "repeat( [ auto-fill | auto-fit ] , [ ? ]+ ? )" }, "auto-track-list": { "syntax": "[ ? [ | ] ]* ? \n[ ? [ | ] ]* ?" }, "axis": { "syntax": "block | inline | vertical | horizontal" }, "baseline-position": { "syntax": "[ first | last ]? baseline" }, "basic-shape": { "syntax": " | | | | " }, "bg-image": { "syntax": "none | " }, "bg-layer": { "syntax": " || [ / ]? || || || || " }, "bg-position": { "syntax": "[ [ left | center | right | top | bottom | ] | [ left | center | right | ] [ top | center | bottom | ] | [ center | [ left | right ] ? ] && [ center | [ top | bottom ] ? ] ]" }, "bg-size": { "syntax": "[ | auto ]{1,2} | cover | contain" }, "blur()": { "syntax": "blur( )" }, "blend-mode": { "syntax": "normal | multiply | screen | overlay | darken | lighten | color-dodge | color-burn | hard-light | soft-light | difference | exclusion | hue | saturation | color | luminosity" }, "box": { "syntax": "border-box | padding-box | content-box" }, "brightness()": { "syntax": "brightness( )" }, "calc()": { "syntax": "calc( )" }, "calc-sum": { "syntax": " [ [ '+' | '-' ] ]*" }, "calc-product": { "syntax": " [ '*' | '/' ]*" }, "calc-value": { "syntax": " | | | | ( )" }, "calc-constant": { "syntax": "e | pi | infinity | -infinity | NaN" }, "cf-final-image": { "syntax": " | " }, "cf-mixing-image": { "syntax": "? && " }, "circle()": { "syntax": "circle( [ ]? [ at ]? )" }, "clamp()": { "syntax": "clamp( #{3} )" }, "class-selector": { "syntax": "'.' " }, "clip-source": { "syntax": "" }, "color": { "syntax": " | | | | | | | | | currentcolor | " }, "color-stop": { "syntax": " | " }, "color-stop-angle": { "syntax": "{1,2}" }, "color-stop-length": { "syntax": "{1,2}" }, "color-stop-list": { "syntax": "[ [, ]? ]# , " }, "combinator": { "syntax": "'>' | '+' | '~' | [ '||' ]" }, "common-lig-values": { "syntax": "[ common-ligatures | no-common-ligatures ]" }, "compat-auto": { "syntax": "searchfield | textarea | push-button | slider-horizontal | checkbox | radio | square-button | menulist | listbox | meter | progress-bar | button" }, "composite-style": { "syntax": "clear | copy | source-over | source-in | source-out | source-atop | destination-over | destination-in | destination-out | destination-atop | xor" }, "compositing-operator": { "syntax": "add | subtract | intersect | exclude" }, "compound-selector": { "syntax": "[ ? * [

* ]* ]!" }, "compound-selector-list": { "syntax": "#" }, "complex-selector": { "syntax": " [ ? ]*" }, "complex-selector-list": { "syntax": "#" }, "conic-gradient()": { "syntax": "conic-gradient( [ from ]? [ at ]?, )" }, "contextual-alt-values": { "syntax": "[ contextual | no-contextual ]" }, "content-distribution": { "syntax": "space-between | space-around | space-evenly | stretch" }, "content-list": { "syntax": "[ | contents | | | | | ]+" }, "content-position": { "syntax": "center | start | end | flex-start | flex-end" }, "content-replacement": { "syntax": "" }, "contrast()": { "syntax": "contrast( [ ] )" }, "cos()": { "syntax": "cos( )" }, "counter": { "syntax": " | " }, "counter()": { "syntax": "counter( , ? )" }, "counter-name": { "syntax": "" }, "counter-style": { "syntax": " | symbols()" }, "counter-style-name": { "syntax": "" }, "counters()": { "syntax": "counters( , , ? )" }, "cross-fade()": { "syntax": "cross-fade( , ? )" }, "cubic-bezier-timing-function": { "syntax": "ease | ease-in | ease-out | ease-in-out | cubic-bezier(, , , )" }, "deprecated-system-color": { "syntax": "ActiveBorder | ActiveCaption | AppWorkspace | Background | ButtonFace | ButtonHighlight | ButtonShadow | ButtonText | CaptionText | GrayText | Highlight | HighlightText | InactiveBorder | InactiveCaption | InactiveCaptionText | InfoBackground | InfoText | Menu | MenuText | Scrollbar | ThreeDDarkShadow | ThreeDFace | ThreeDHighlight | ThreeDLightShadow | ThreeDShadow | Window | WindowFrame | WindowText" }, "discretionary-lig-values": { "syntax": "[ discretionary-ligatures | no-discretionary-ligatures ]" }, "display-box": { "syntax": "contents | none" }, "display-inside": { "syntax": "flow | flow-root | table | flex | grid | ruby" }, "display-internal": { "syntax": "table-row-group | table-header-group | table-footer-group | table-row | table-cell | table-column-group | table-column | table-caption | ruby-base | ruby-text | ruby-base-container | ruby-text-container" }, "display-legacy": { "syntax": "inline-block | inline-list-item | inline-table | inline-flex | inline-grid" }, "display-listitem": { "syntax": "? && [ flow | flow-root ]? && list-item" }, "display-outside": { "syntax": "block | inline | run-in" }, "drop-shadow()": { "syntax": "drop-shadow( {2,3} ? )" }, "east-asian-variant-values": { "syntax": "[ jis78 | jis83 | jis90 | jis04 | simplified | traditional ]" }, "east-asian-width-values": { "syntax": "[ full-width | proportional-width ]" }, "element()": { "syntax": "element( )" }, "ellipse()": { "syntax": "ellipse( [ {2} ]? [ at ]? )" }, "ending-shape": { "syntax": "circle | ellipse" }, "env()": { "syntax": "env( , ? )" }, "exp()": { "syntax": "exp( )" }, "explicit-track-list": { "syntax": "[ ? ]+ ?" }, "family-name": { "syntax": " | +" }, "feature-tag-value": { "syntax": " [ | on | off ]?" }, "feature-type": { "syntax": "@stylistic | @historical-forms | @styleset | @character-variant | @swash | @ornaments | @annotation" }, "feature-value-block": { "syntax": " '{' '}'" }, "feature-value-block-list": { "syntax": "+" }, "feature-value-declaration": { "syntax": ": +;" }, "feature-value-declaration-list": { "syntax": "" }, "feature-value-name": { "syntax": "" }, "fill-rule": { "syntax": "nonzero | evenodd" }, "filter-function": { "syntax": " | | | | | | | | | " }, "filter-function-list": { "syntax": "[ | ]+" }, "final-bg-layer": { "syntax": "<'background-color'> || || [ / ]? || || || || " }, "fixed-breadth": { "syntax": "" }, "fixed-repeat": { "syntax": "repeat( [ ] , [ ? ]+ ? )" }, "fixed-size": { "syntax": " | minmax( , ) | minmax( , )" }, "font-stretch-absolute": { "syntax": "normal | ultra-condensed | extra-condensed | condensed | semi-condensed | semi-expanded | expanded | extra-expanded | ultra-expanded | " }, "font-variant-css21": { "syntax": "[ normal | small-caps ]" }, "font-weight-absolute": { "syntax": "normal | bold | " }, "frequency-percentage": { "syntax": " | " }, "general-enclosed": { "syntax": "[

) ] | (

)" }, "generic-family": { "syntax": "serif | sans-serif | cursive | fantasy | monospace" }, "generic-name": { "syntax": "serif | sans-serif | cursive | fantasy | monospace" }, "geometry-box": { "syntax": " | fill-box | stroke-box | view-box" }, "gradient": { "syntax": " | | | | | " }, "grayscale()": { "syntax": "grayscale( )" }, "grid-line": { "syntax": "auto | | [ && ? ] | [ span && [ || ] ]" }, "historical-lig-values": { "syntax": "[ historical-ligatures | no-historical-ligatures ]" }, "hsl()": { "syntax": "hsl( [ / ]? ) | hsl( , , , ? )" }, "hsla()": { "syntax": "hsla( [ / ]? ) | hsla( , , , ? )" }, "hue": { "syntax": " | " }, "hue-rotate()": { "syntax": "hue-rotate( )" }, "hwb()": { "syntax": "hwb( [ | none] [ | none] [ | none] [ / [ | none] ]? )" }, "hypot()": { "syntax": "hypot( # )" }, "id-selector": { "syntax": "" }, "image": { "syntax": " | | | | | | " }, "image()": { "syntax": "image( ? [ ? , ? ]! )" }, "image-set()": { "syntax": "image-set( # )" }, "image-set-option": { "syntax": "[ | ] [ || type() ]" }, "image-src": { "syntax": " | " }, "image-tags": { "syntax": "ltr | rtl" }, "inflexible-breadth": { "syntax": " | min-content | max-content | auto" }, "inset()": { "syntax": "inset( {1,4} [ round <'border-radius'> ]? )" }, "invert()": { "syntax": "invert( )" }, "keyframes-name": { "syntax": " | " }, "keyframe-block": { "syntax": "# {\n \n}" }, "keyframe-block-list": { "syntax": "+" }, "keyframe-selector": { "syntax": "from | to | " }, "lab()": { "syntax": "lab( [ | | none] [ | | none] [ | | none] [ / [ | none] ]? )" }, "layer()": { "syntax": "layer( )" }, "layer-name": { "syntax": " [ '.' ]*" }, "lch()": { "syntax": "lch( [ | | none] [ | | none] [ | none] [ / [ | none] ]? )" }, "leader()": { "syntax": "leader( )" }, "leader-type": { "syntax": "dotted | solid | space | " }, "length-percentage": { "syntax": " | " }, "line-names": { "syntax": "'[' * ']'" }, "line-name-list": { "syntax": "[ | ]+" }, "line-style": { "syntax": "none | hidden | dotted | dashed | solid | double | groove | ridge | inset | outset" }, "line-width": { "syntax": " | thin | medium | thick" }, "linear-color-hint": { "syntax": "" }, "linear-color-stop": { "syntax": "

?" }, "linear-gradient()": { "syntax": "linear-gradient( [ | to ]? , )" }, "log()": { "syntax": "log( , ? )" }, "mask-layer": { "syntax": " || [ / ]? || || || [ | no-clip ] || || " }, "mask-position": { "syntax": "[ | left | center | right ] [ | top | center | bottom ]?" }, "mask-reference": { "syntax": "none | | " }, "mask-source": { "syntax": "" }, "masking-mode": { "syntax": "alpha | luminance | match-source" }, "matrix()": { "syntax": "matrix( #{6} )" }, "matrix3d()": { "syntax": "matrix3d( #{16} )" }, "max()": { "syntax": "max( # )" }, "media-and": { "syntax": " [ and ]+" }, "media-condition": { "syntax": " | | | " }, "media-condition-without-or": { "syntax": " | | " }, "media-feature": { "syntax": "( [ | | ] )" }, "media-in-parens": { "syntax": "( ) | | " }, "media-not": { "syntax": "not " }, "media-or": { "syntax": " [ or ]+" }, "media-query": { "syntax": " | [ not | only ]? [ and ]?" }, "media-query-list": { "syntax": "#" }, "media-type": { "syntax": "" }, "mf-boolean": { "syntax": "" }, "mf-name": { "syntax": "" }, "mf-plain": { "syntax": " : " }, "mf-range": { "syntax": " [ '<' | '>' ]? '='? \n| [ '<' | '>' ]? '='? \n| '<' '='? '<' '='? \n| '>' '='? '>' '='? " }, "mf-value": { "syntax": " | | | " }, "min()": { "syntax": "min( # )" }, "minmax()": { "syntax": "minmax( [ | min-content | max-content | auto ] , [ | | min-content | max-content | auto ] )" }, "mod()": { "syntax": "mod( , )" }, "name-repeat": { "syntax": "repeat( [ | auto-fill ], + )" }, "named-color": { "syntax": "transparent | aliceblue | antiquewhite | aqua | aquamarine | azure | beige | bisque | black | blanchedalmond | blue | blueviolet | brown | burlywood | cadetblue | chartreuse | chocolate | coral | cornflowerblue | cornsilk | crimson | cyan | darkblue | darkcyan | darkgoldenrod | darkgray | darkgreen | darkgrey | darkkhaki | darkmagenta | darkolivegreen | darkorange | darkorchid | darkred | darksalmon | darkseagreen | darkslateblue | darkslategray | darkslategrey | darkturquoise | darkviolet | deeppink | deepskyblue | dimgray | dimgrey | dodgerblue | firebrick | floralwhite | forestgreen | fuchsia | gainsboro | ghostwhite | gold | goldenrod | gray | green | greenyellow | grey | honeydew | hotpink | indianred | indigo | ivory | khaki | lavender | lavenderblush | lawngreen | lemonchiffon | lightblue | lightcoral | lightcyan | lightgoldenrodyellow | lightgray | lightgreen | lightgrey | lightpink | lightsalmon | lightseagreen | lightskyblue | lightslategray | lightslategrey | lightsteelblue | lightyellow | lime | limegreen | linen | magenta | maroon | mediumaquamarine | mediumblue | mediumorchid | mediumpurple | mediumseagreen | mediumslateblue | mediumspringgreen | mediumturquoise | mediumvioletred | midnightblue | mintcream | mistyrose | moccasin | navajowhite | navy | oldlace | olive | olivedrab | orange | orangered | orchid | palegoldenrod | palegreen | paleturquoise | palevioletred | papayawhip | peachpuff | peru | pink | plum | powderblue | purple | rebeccapurple | red | rosybrown | royalblue | saddlebrown | salmon | sandybrown | seagreen | seashell | sienna | silver | skyblue | slateblue | slategray | slategrey | snow | springgreen | steelblue | tan | teal | thistle | tomato | turquoise | violet | wheat | white | whitesmoke | yellow | yellowgreen" }, "namespace-prefix": { "syntax": "" }, "ns-prefix": { "syntax": "[ | '*' ]? '|'" }, "number-percentage": { "syntax": " | " }, "numeric-figure-values": { "syntax": "[ lining-nums | oldstyle-nums ]" }, "numeric-fraction-values": { "syntax": "[ diagonal-fractions | stacked-fractions ]" }, "numeric-spacing-values": { "syntax": "[ proportional-nums | tabular-nums ]" }, "nth": { "syntax": " | even | odd" }, "opacity()": { "syntax": "opacity( [ ] )" }, "overflow-position": { "syntax": "unsafe | safe" }, "outline-radius": { "syntax": " | " }, "page-body": { "syntax": "? [ ; ]? |

" }, "page-margin-box": { "syntax": " '{' '}'" }, "page-margin-box-type": { "syntax": "@top-left-corner | @top-left | @top-center | @top-right | @top-right-corner | @bottom-left-corner | @bottom-left | @bottom-center | @bottom-right | @bottom-right-corner | @left-top | @left-middle | @left-bottom | @right-top | @right-middle | @right-bottom" }, "page-selector-list": { "syntax": "[ # ]?" }, "page-selector": { "syntax": "+ |

*" }, "page-size": { "syntax": "A5 | A4 | A3 | B5 | B4 | JIS-B5 | JIS-B4 | letter | legal | ledger" }, "path()": { "syntax": "path( [ , ]? )" }, "paint()": { "syntax": "paint( , ? )" }, "perspective()": { "syntax": "perspective( [ | none ] )" }, "polygon()": { "syntax": "polygon( ? , [

]# )" }, "position": { "syntax": "[ [ left | center | right ] || [ top | center | bottom ] | [ left | center | right | ] [ top | center | bottom | ]? | [ [ left | right ] ] && [ [ top | bottom ] ] ]" }, "pow()": { "syntax": "pow( , )" }, "pseudo-class-selector": { "syntax": "':' | ':'

')'" }, "pseudo-element-selector": { "syntax": "':' " }, "pseudo-page": { "syntax": ": [ left | right | first | blank ]" }, "quote": { "syntax": "open-quote | close-quote | no-open-quote | no-close-quote" }, "radial-gradient()": { "syntax": "radial-gradient( [ || ]? [ at ]? , )" }, "ratio": { "syntax": " [ / ]?" }, "relative-selector": { "syntax": "? " }, "relative-selector-list": { "syntax": "#" }, "relative-size": { "syntax": "larger | smaller" }, "rem()": { "syntax": "rem( , )" }, "repeat-style": { "syntax": "repeat-x | repeat-y | [ repeat | space | round | no-repeat ]{1,2}" }, "repeating-conic-gradient()": { "syntax": "repeating-conic-gradient( [ from ]? [ at ]?, )" }, "repeating-linear-gradient()": { "syntax": "repeating-linear-gradient( [ | to ]? , )" }, "repeating-radial-gradient()": { "syntax": "repeating-radial-gradient( [