interface CSSSupportsRule
implements CSSConditionRule
import { type CSSSupportsRule } from "https://deno.land/x/evt@v2.5.2/lib/types/lib.dom.ts";
An object representing a single CSS @supports at-rule. It implements the CSSConditionRule interface, and therefore the CSSRule and CSSGroupingRule interfaces with a type value of 12 (CSSRule.SUPPORTS_RULE).