host-multiple-001.html (583B)
1 <!doctype html> 2 <title>CSS Test: :host multiple times in the same compound selector.</title> 3 <link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io"> 4 <link rel="help" href="https://drafts.csswg.org/css-scoping/#host-selector"> 5 <link rel="match" href="reference/green-box.html"> 6 <p>Test passes if you see a single 100px by 100px green box below.</p> 7 <div id="host"></div> 8 <script> 9 let root = host.attachShadow({ mode: "open" }); 10 root.innerHTML = ` 11 <style> 12 :host:host { width: 100px; height: 100px; background: green } 13 </style> 14 `; 15 </script>