| <!DOCTYPE html> |
| <title>CSS Test: mask-image: url(#local-mask)</title> |
| <link rel="author" title="Xidorn Quan" href="https://www.upsuper.org"> |
| <link rel="author" title="Mozilla" href="https://www.mozilla.org"> |
| <link rel="help" href="https://drafts.fxtf.org/css-masking-1/#mask-layer-image"> |
| <link rel="match" href="reference/mask-image-ref.html"> |
| <meta name="assert" content="mask-image can use local reference to a <mask> element"> |
| <style> |
| #back { |
| position: absolute; |
| box-sizing: border-box; |
| width: 200px; |
| height: 200px; |
| border: 60px solid green; |
| background: red; |
| } |
| #front { |
| position: absolute; |
| box-sizing: border-box; |
| width: 200px; |
| height: 200px; |
| border: 40px solid red; |
| background: green; |
| mask-image: url(#localmask); |
| } |
| </style> |
| <p>The test passes if there is a green square and no red below.</p> |
| <div id="back"></div><div id="front"></div> |
| <svg viewBox="0 0 200 200" style="width: 0; height: 0"> |
| <mask id="localmask"> |
| <rect x="50" y="50" width="100" height="100" fill="white"> |
| </mask> |
| </svg> |
