Update list of valid CSS values for syntax highlighting

extensions/css/syntaxes/css.plist

@@ -504,7 +504,7 @@
 			<array>
 				<dict>
 					<key>match</key>
-					<string>\b(absolute|all(-scroll)?|always|armenian|auto|avoid|baseline|below|bidi-override|block|bold|bolder|both|bottom|break-all|break-word|capitalize|center|char|circle|cjk-ideographic|col-resize|collapse|crosshair|dashed|decimal-leading-zero|decimal|default|disabled|disc|distribute-all-lines|distribute-letter|distribute-space|distribute|dotted|double|e-resize|ellipsis|fixed|geometricPrecision|georgian|groove|hand|hebrew|help|hidden|hiragana-iroha|hiragana|horizontal|ideograph-alpha|ideograph-numeric|ideograph-parenthesis|ideograph-space|inactive|inherit|initial|inline-block|inline|inset|inside|inter-ideograph|inter-word|italic|justify|katakana-iroha|katakana|keep-all|left|lighter|line-edge|line-through|line|list-item|loose|lower-alpha|lower-greek|lower-latin|lower-roman|lowercase|lr-tb|ltr|medium|middle|move|n-resize|ne-resize|newspaper|no-drop|no-repeat|nw-resize|none|normal|not-allowed|nowrap|oblique|optimize(Legibility|Quality|Speed)|outset|outside|overline|pointer|pre(-(wrap|line))?|progress|relative|repeat-x|repeat-y|repeat|right|ridge|row-resize|rtl|s-resize|scroll|se-resize|separate|small-caps|solid|square|static|strict|sub|super|sw-resize|table-footer-group|table-header-group|tb-rl|text-bottom|text-top|text|thick|thin|top|transparent|underline|unset|upper-alpha|upper-latin|upper-roman|uppercase|vertical(-(ideographic|text))?|visible(Painted|Fill|Stroke)?|w-resize|wait|whitespace|zero|smaller|larger|((xx?-)?(small|large))|painted|fill|stroke)\b</string>
+					<string>\b(absolute|add|all(-scroll)?|allow-end|alpha|alphabetic|alternate(-reverse)?|always|any|armenian|auto|avoid(-(column|flex|line|page|region))?|backwards|balance(-all)?|bar|baseline|below|bengali|bevel|bidi-override|block(-(end|start))?|bold|bolder|border-box|both|bottom|box-decoration|break-(all|word)|cambodian|capitalize|center|central|char|circle|cjk-(decimal|earthly-branch|heavenly-stem|ideographic)|clear|clip|clone|coarse|col-resize|collapse|color(-(burn|dodge))?|column(-reverse)?|contain|content(-box)?|contents|cover|create|crisp-edges|currentcolor|darken|densedashed|decimal-leading-zero|decimal|default|dense|devanagari|difference|digits|disabled|disc|disclosure-(closed|open)|display|distribute-all-lines|distribute(-(letter|space))?|dot|dotted|double(-circle)?|e-resize|each-line|ease(-(in(-out)?|out))?|economy|edges|ellipsis|embed|end|ethiopic-numeric|evenodd|exact|exclude|exclusion|fade|fill(-(available|box))?|filled|first(-baseline)?|fit-content|fixed|flex(-(end|start))?|flow(-root)?|force-end|forwards|fragments|from-image|full-width|geometricPrecision|georgian|grid|groove|gujarati|gurmukhi|hand|hanging|hard-light|hebrew|help|hidden|hiragana(-iroha)?|horizontal(-tb)?|hue|ideograph-(alpha|numeric|parenthesis|space)|ideographic|inactive|infinite|inherit|initial|ink|inline(-(block|end|flex|grid|list-item|start|table))?|inset|inside|inter-(character|ideograph|word)|intersect|invalid|invert|isolate(-override)?|italic|japanese-(formal|informal)|justify(-all)?|katakana(-iroha)?|keep-all|khmer|korean-(hangul-formal|hanja-(formal|informal))|lao|last(-baseline)?|leading-spaces|left|legacy|lighter|line(-(edge|through))?|list-(container|item)|local|logical|loose|lower-(alpha|armenian|greek|latin|roman)|lowercase|lr-tb|ltr|luminance|luminosity|malayalam|mandatory|manual|margin-box|marker|match-parent|mathematical|max-content|maximum|medium|middle|minimum|mixed|mongolian|move|multiply|myanmar|n-resize|ne-resize|newspaper|no-(clip|close-quote|composite|compress|drop|open-quote|repeat)|non-blocking|nw-resize|none|nonzero|normal|notch|not-allowed|nowrap|numbers|numeric|objects|oblique|open(-quote)?|oriya|optimize(Legibility|Quality|Speed)|outset|outside(-shape)?|overlay|overline|padding-box|page|paginate|paint|paused|persian|physical|pixelated|plaintext|pointer|pre(-(line|wrap(-auto)?))?|preserve(-(auto|breaks|spaces|trim))?|progress|proximity|punctuation|region|relative|repeat(-(x|y))?|reverse|revert|ridge|right|rotate|row(-reverse)?|row-resize|rtl|ruby(-((base|text)(-container)?))?|run-in|running|s-resize|saturation|scale-down|scroll(-position)?|se-resize|self-(end|start)|separate|sesame|show|sideways(-(left|lr|right|rl))?|simp-chinese-(formal|informal)|slice|small-caps|smooth|snap(-(block|inline))?|soft-light|solid|space(-(adjacent|around|between|end|evenly|start))?|spaces|spread|square|start|static|step-(end|start)|sticky|stretch|strict|stroke-box|sub|subgrid|subtract|super|sw-resize|symbolic|table(-(caption|cell|(column|row)(-group)?|footer-group|header-group))?|tamil|tb-rl|telugu|text(-(bottom|top))?|thai|thick|thin|tibetan|top|transparent|triangle|trim-(adjacent|end|inner|start)|true|under|underline|underscore|unsafe|unset|upper-(alpha|latin|roman)|uppercase|upright|use-glyph-orientation|vertical(-(ideographic|lr|rl|text))?|view-box|visible(Painted|Fill|Stroke)?|w-resize|wait|whitespace|wrap|zero|smaller|larger|((xx?-)?(small|large))|painted|fill|stroke)\b</string>
 					<key>name</key>
 					<string>support.constant.property-value.css</string>
 				</dict>