| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <title>CSS Containment Test: Paint containment and box-shadow</title> |
| <link rel="help" href="https://drafts.csswg.org/css-contain-1/#containment-paint"> |
| <link rel="match" href="../reference/ref-filled-green-100px-square.xht"> |
| <meta name=assert content="Paint containment should clip box-shadow effect on child."> |
| <style> |
| #contain-paint { |
| contain: paint; |
| width: 100px; |
| height: 100px; |
| background: red; |
| } |
| |
| #child { |
| background: green; |
| box-shadow: 0 0 100px 100px red; |
| width: 100px; |
| height: 100px; |
| } |
| </style> |
| <p>Test passes if there is a filled green square and <strong>no red</strong>.</p> |
| <div id="contain-paint"> |
| <div id="child"></div> |
| </div> |
