{ "next": { "atrules": { "color-profile": { "descriptors": { "components": "#", "rendering-intent": "relative-colorimetric | absolute-colorimetric | perceptual | saturation", "src": "" } }, "counter-style": { "descriptors": { "additive-symbols": "[ && ]#", "pad": " && " } }, "font-face": { "descriptors": { "ascent-override": "[ normal | ]{1,2}", "descent-override": "[ normal | ]{1,2}", "font-language-override": "normal | ", "font-named-instance": "auto | ", "font-size": "auto | [ ]{1,2}", "font-style": "auto | normal | italic | left | right | oblique [ {1,2} ]?", "font-weight": "| auto", "font-width": "auto | <'font-width'>{1,2}", "line-gap-override": "[ normal | ]{1,2}", "size-adjust": "", "src": "", "subscript-position-override": "[ normal | from-font | ]{1,2}", "subscript-size-override": "[ normal | from-font | ]{1,2}", "superscript-position-override": "[ normal | from-font | ]{1,2}", "superscript-size-override": "[ normal | from-font | ]{1,2}", "unicode-range": "#" } }, "font-feature-values": { "descriptors": { "font-display": "auto | block | swap | fallback | optional" } }, "font-palette-values": { "descriptors": { "override-colors": "[ ]#" } }, "function": { "descriptors": { "result": "?" } }, "page": { "descriptors": { "size": "{1,2} | auto | [ || [ portrait | landscape ] ]" } }, "view-transition": { "descriptors": { "navigation": "auto | none", "types": "none | +" } } }, "properties": { "align-items": "normal | stretch | | [ ? ] | anchor-center", "align-self": "auto | normal | stretch | | ? | anchor-center", "alignment-baseline": "| text-bottom | text-top", "all": " | revert-rule", "animation-duration": "[ auto |