| <style> | |
| #x { | |
| container-type: inline-size; | |
| position: sticky; | |
| width: 10%; | |
| } | |
| :read-only { | |
| border-width: 250px; | |
| } | |
| </style> | |
| <script> | |
| if (window.testRunner) | |
| testRunner.dumpAsText(); | |
| onload = () => { | |
| location.hash = 'x'; | |
| document.designMode = 'on'; | |
| }; | |
| </script> | |
| <iframe id="x"></iframe> | |
| This test passes if it doesn't crash. |