host-descendant-002.html (537B)
1 <!doctype html> 2 <link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io"> 3 <link rel="help" href="https://drafts.csswg.org/css-scoping/#host-selector"> 4 <link rel="match" href="reference/green-box.html"> 5 <p>Test passes if you see a single 100px by 100px green box below.</p> 6 <div id="host"></div> 7 <script> 8 let root = host.attachShadow({ mode: "open" }); 9 root.innerHTML = ` 10 <style> 11 :host { width: 100px; height: 100px; background: green; } 12 * :host { background: red; } 13 </style> 14 `; 15 </script>