style-query-document-element.html (612B)
1 <!DOCTYPE html> 2 <title>CSS Container Queries Test: style query against document element</title> 3 <link rel="help" href="https://drafts.csswg.org/css-conditional-5/#container-queries"> 4 <script src="/resources/testharness.js"></script> 5 <script src="/resources/testharnessreport.js"></script> 6 <script src="support/cq-testcommon.js"></script> 7 <style> 8 html { 9 --foo: bar; 10 } 11 @container style(--foo: bar) { 12 body { color: green; } 13 } 14 </style> 15 <body id="body"> 16 <script> 17 test(() => { 18 assert_equals(getComputedStyle(body).color, "rgb(0, 128, 0)"); 19 }, "style query should evaluate to true"); 20 </script>