[css] update grammar

extensions/css/syntaxes/css.tmLanguage.json

@@ -4,7 +4,7 @@
 		"If you want to provide a fix or improvement, please create a pull request against the original repository.",
 		"Once accepted there, we are happy to receive an update request."
 	],
-	"version": "https://github.com/atom/language-css/commit/b781e2152b677d4a38c4501de477948cb6a04f65",
+	"version": "https://github.com/atom/language-css/commit/2bc1e294e2440ad91197263cd9f95dc4b00bab2f",
 	"scopeName": "source.css",
 	"name": "CSS",
 	"fileTypes": [
@@ -1343,7 +1343,7 @@
 		"property-keywords": {
 			"patterns": [
 				{
-					"match": "(?xi) (?<![\\w-])\n(above|absolute|active|add|additive|after-edge|alias|all|all-petite-caps|all-scroll|all-small-caps|alpha|alphabetic|alternate|alternate-reverse\n|always|antialiased|auto|auto-pos|available|avoid|avoid-column|avoid-page|avoid-region|backwards|balance|baseline|before-edge|below|bevel\n|bidi-override|blink|block|block-axis|block-start|block-end|bold|bolder|border|border-box|both|bottom|bottom-outside|break-all|break-word|bullets\n|butt|capitalize|caption|cell|center|central|char|circle|clip|clone|close-quote|closest-corner|closest-side|col-resize|collapse|color|color-burn\n|color-dodge|column|column-reverse|common-ligatures|compact|condensed|contain|content|content-box|contents|context-menu|contextual|copy|cover\n|crisp-edges|crispEdges|crosshair|cyclic|darken|dashed|decimal|default|dense|diagonal-fractions|difference|digits|disabled|disc|discretionary-ligatures\n|distribute|distribute-all-lines|distribute-letter|distribute-space|dot|dotted|double|double-circle|downleft|downright|e-resize|each-line|ease|ease-in\n|ease-in-out|ease-out|economy|ellipse|ellipsis|embed|end|evenodd|ew-resize|exact|exclude|exclusion|expanded|extends|extra-condensed|extra-expanded\n|fallback|farthest-corner|farthest-side|fill|fill-available|fill-box|filled|fit-content|fixed|flat|flex|flex-end|flex-start|flip|forwards|freeze\n|from-image|full-width|geometricPrecision|georgian|grab|grabbing|grayscale|grid|groove|hand|hanging|hard-light|help|hidden|hide\n|historical-forms|historical-ligatures|horizontal|horizontal-tb|hue|icon|ideograph-alpha|ideograph-numeric|ideograph-parenthesis|ideograph-space\n|ideographic|inactive|infinite|inherit|initial|inline|inline-axis|inline-block|inline-end|inline-flex|inline-grid|inline-list-item|inline-start\n|inline-table|inset|inside|inter-character|inter-ideograph|inter-word|intersect|invert|isolate|isolate-override|italic|jis04|jis78|jis83\n|jis90|justify|justify-all|kannada|keep-all|landscape|large|larger|left|lighten|lighter|line|line-edge|line-through|linear|linearRGB\n|lining-nums|list-item|local|loose|lowercase|lr|lr-tb|ltr|luminance|luminosity|main-size|mandatory|manipulation|manual|margin-box|match-parent\n|match-source|mathematical|max-content|medium|menu|message-box|middle|min-content|miter|mixed|move|multiply|n-resize|narrower|ne-resize\n|nearest-neighbor|nesw-resize|newspaper|no-change|no-clip|no-close-quote|no-common-ligatures|no-contextual|no-discretionary-ligatures\n|no-drop|no-historical-ligatures|no-open-quote|no-repeat|none|nonzero|normal|not-allowed|nowrap|ns-resize|numbers|numeric|nw-resize|nwse-resize\n|oblique|oldstyle-nums|open|open-quote|optimizeLegibility|optimizeQuality|optimizeSpeed|optional|ordinal|outset|outside|over|overlay|overline|padding\n|padding-box|page|painted|pan-down|pan-left|pan-right|pan-up|pan-x|pan-y|paused|petite-caps|pixelated|plaintext|pointer|portrait|pre|pre-line\n|pre-wrap|preserve-3d|progress|progressive|proportional-nums|proportional-width|proximity|radial|recto|region|relative|remove|repeat|repeat-[xy]\n|reset-size|reverse|revert|ridge|right|rl|rl-tb|round|row|row-resize|row-reverse|row-severse|rtl|ruby|ruby-base|ruby-base-container|ruby-text\n|ruby-text-container|run-in|running|s-resize|saturation|scale-down|screen|scroll|scroll-position|se-resize|semi-condensed|semi-expanded|separate\n|sesame|show|sideways|sideways-left|sideways-lr|sideways-right|sideways-rl|simplified|slashed-zero|slice|small|small-caps|small-caption|smaller\n|smooth|soft-light|solid|space|space-around|space-between|spell-out|square|sRGB|stacked-fractions|start|static|status-bar|swap|step-end|step-start\n|sticky|stretch|strict|stroke|stroke-box|style|sub|subgrid|subpixel-antialiased|subtract|super|sw-resize|symbolic|table|table-caption|table-cell\n|table-column|table-column-group|table-footer-group|table-header-group|table-row|table-row-group|tabular-nums|tb|tb-rl|text|text-after-edge\n|text-before-edge|text-bottom|text-top|thick|thin|titling-caps|top|top-outside|touch|traditional|transparent|triangle|ultra-condensed|ultra-expanded\n|under|underline|unicase|unset|upleft|uppercase|upright|use-glyph-orientation|use-script|verso|vertical|vertical-ideographic|vertical-lr|vertical-rl\n|vertical-text|view-box|visible|visibleFill|visiblePainted|visibleStroke|w-resize|wait|wavy|weight|whitespace|wider|words|wrap|wrap-reverse\n|x-large|x-small|xx-large|xx-small|zero|zoom-in|zoom-out)\n(?![\\w-])",
+					"match": "(?xi) (?<![\\w-])\n(above|absolute|active|add|additive|after-edge|alias|all|all-petite-caps|all-scroll|all-small-caps|alpha|alphabetic|alternate|alternate-reverse\n|always|antialiased|auto|auto-pos|available|avoid|avoid-column|avoid-page|avoid-region|backwards|balance|baseline|before-edge|below|bevel\n|bidi-override|blink|block|block-axis|block-start|block-end|bold|bolder|border|border-box|both|bottom|bottom-outside|break-all|break-word|bullets\n|butt|capitalize|caption|cell|center|central|char|circle|clip|clone|close-quote|closest-corner|closest-side|col-resize|collapse|color|color-burn\n|color-dodge|column|column-reverse|common-ligatures|compact|condensed|contain|content|content-box|contents|context-menu|contextual|copy|cover\n|crisp-edges|crispEdges|crosshair|cyclic|darken|dashed|decimal|default|dense|diagonal-fractions|difference|digits|disabled|disc|discretionary-ligatures\n|distribute|distribute-all-lines|distribute-letter|distribute-space|dot|dotted|double|double-circle|downleft|downright|e-resize|each-line|ease|ease-in\n|ease-in-out|ease-out|economy|ellipse|ellipsis|embed|end|evenodd|ew-resize|exact|exclude|exclusion|expanded|extends|extra-condensed|extra-expanded\n|fallback|farthest-corner|farthest-side|fill|fill-available|fill-box|filled|fit-content|fixed|flat|flex|flex-end|flex-start|flip|forwards|freeze\n|from-image|full-width|geometricPrecision|georgian|grab|grabbing|grayscale|grid|groove|hand|hanging|hard-light|help|hidden|hide\n|historical-forms|historical-ligatures|horizontal|horizontal-tb|hue|icon|ideograph-alpha|ideograph-numeric|ideograph-parenthesis|ideograph-space\n|ideographic|inactive|infinite|inherit|initial|inline|inline-axis|inline-block|inline-end|inline-flex|inline-grid|inline-list-item|inline-start\n|inline-table|inset|inside|inter-character|inter-ideograph|inter-word|intersect|invert|isolate|isolate-override|italic|jis04|jis78|jis83\n|jis90|justify|justify-all|kannada|keep-all|landscape|large|larger|left|lighten|lighter|line|line-edge|line-through|linear|linearRGB\n|lining-nums|list-item|local|loose|lowercase|lr|lr-tb|ltr|luminance|luminosity|main-size|mandatory|manipulation|manual|margin-box|match-parent\n|match-source|mathematical|max-content|medium|menu|message-box|middle|min-content|miter|mixed|move|multiply|n-resize|narrower|ne-resize\n|nearest-neighbor|nesw-resize|newspaper|no-change|no-clip|no-close-quote|no-common-ligatures|no-contextual|no-discretionary-ligatures\n|no-drop|no-historical-ligatures|no-open-quote|no-repeat|none|nonzero|normal|not-allowed|nowrap|ns-resize|numbers|numeric|nw-resize|nwse-resize\n|oblique|oldstyle-nums|open|open-quote|optimizeLegibility|optimizeQuality|optimizeSpeed|optional|ordinal|outset|outside|over|overlay|overline|padding\n|padding-box|page|painted|pan-down|pan-left|pan-right|pan-up|pan-x|pan-y|paused|petite-caps|pixelated|plaintext|pointer|portrait|pre|pre-line\n|pre-wrap|preserve-3d|progress|progressive|proportional-nums|proportional-width|proximity|radial|recto|region|relative|remove|repeat|repeat-[xy]\n|reset-size|reverse|revert|ridge|right|rl|rl-tb|round|row|row-resize|row-reverse|row-severse|rtl|ruby|ruby-base|ruby-base-container|ruby-text\n|ruby-text-container|run-in|running|s-resize|saturation|scale-down|screen|scroll|scroll-position|se-resize|semi-condensed|semi-expanded|separate\n|sesame|show|sideways|sideways-left|sideways-lr|sideways-right|sideways-rl|simplified|slashed-zero|slice|small|small-caps|small-caption|smaller\n|smooth|soft-light|solid|space|space-around|space-between|space-evenly|spell-out|square|sRGB|stacked-fractions|start|static|status-bar|swap\n|step-end|step-start|sticky|stretch|strict|stroke|stroke-box|style|sub|subgrid|subpixel-antialiased|subtract|super|sw-resize|symbolic|table\n|table-caption|table-cell|table-column|table-column-group|table-footer-group|table-header-group|table-row|table-row-group|tabular-nums|tb|tb-rl\n|text|text-after-edge|text-before-edge|text-bottom|text-top|thick|thin|titling-caps|top|top-outside|touch|traditional|transparent|triangle\n|ultra-condensed|ultra-expanded|under|underline|unicase|unset|upleft|uppercase|upright|use-glyph-orientation|use-script|verso|vertical\n|vertical-ideographic|vertical-lr|vertical-rl|vertical-text|view-box|visible|visibleFill|visiblePainted|visibleStroke|w-resize|wait|wavy\n|weight|whitespace|wider|words|wrap|wrap-reverse|x-large|x-small|xx-large|xx-small|zero|zoom-in|zoom-out)\n(?![\\w-])",
 					"name": "support.constant.property-value.css"
 				},
 				{