| <!doctype html> | |
| <link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1914106"> | |
| <style></style> | |
| <script> | |
| document.querySelector("style").sheet.insertRule("@import url('data:text/css,:root{background:red}');html,body{/* random garbage */}"); | |
| </script> |