syn keyword cssFontProp contained clip-path clip-rule mask mask-image mask-mode mask-repeat mask-position mask-clip mask-origin mask-size mask-composite mask-type mask-border mask-border-source mask-border-mode mask-border-slice mask-border-width mask-border-outset mask-border-repeat
syn keyword cssFontAttr contained nonzero evenodd alpha luminance add subtract intersect exclude fill-box stroke-box view-box no-clip
syn keyword cssTagName mask