| <!doctype html> |
| <title>Basic custom media query</title> |
| <link rel="author" href="mailto:emilio@crisal.io" title="Emilio Cobos Álvarez"> |
| <link rel="author" href="https://mozilla.com" title="Mozilla"> |
| <link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=2004653"> |
| <link rel="help" href="https://drafts.csswg.org/mediaqueries-5/#custom-mq"> |
| <link rel="match" href="/css/reference/green.html"> |
| <style> |
| @custom-media --foo (width > 0px); |
| @media (--foo) { |
| :root { |
| background: green; |
| } |
| } |
| </style> |
| <div></div> |
