| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>CSS Masking: mask-origin: mask positioning area</title> |
| <link rel="author" title="Astley Chen" href="mailto:aschen@mozilla.com"> |
| <link rel="author" title="Mozilla" href="https://www.mozilla.org"> |
| <link rel="help" href="https://www.w3.org/TR/css-masking-1/#the-mask-origin"> |
| <link rel="match" href="mask-origin-2-ref.html"> |
| <meta name="assert" content="Test checks whether setting mask origin to margin-box works correctly or not."> |
| <style type="text/css"> |
| div.outer { |
| border: 1px solid black; |
| width: 125px; |
| height: 125px; |
| } |
| |
| div.inner { |
| /* |
| * content box: 60 x 60 |
| * padding box: 72 x 78 |
| * border box: 80 x 90 |
| * margin box: 86 x 94 |
| */ |
| margin: 1px 2px 3px 4px; |
| border: solid red; |
| border-width: 8px 2px 4px 6px; |
| padding: 6px 9px 12px 3px; |
| width: 60px; |
| height: 60px; |
| position: relative; |
| background-color: blue; |
| mask-image: url(support/50x50-opaque-blue.svg); |
| mask-repeat: no-repeat; |
| mask-origin: margin-box; |
| } |
| |
| div.overflow { |
| position: absolute; |
| left: -10px; |
| top: -9px; |
| border: solid transparent; |
| border-width: 15px 13px 19px 13px; |
| width: 60px; |
| height: 60px; |
| background-color: purple; |
| } |
| |
| #pos-left-auto { mask-position: left; } |
| #pos-left-bottom { mask-position: left bottom; } |
| #pos-right-top { mask-position: right top; } |
| #pos-right-bottom { mask-position: right bottom; } |
| </style> |
| </head> |
| <body> |
| <div class="outer"> |
| <div class="inner" id="pos-left-auto"> |
| <div class="overflow"></div> |
| </div> |
| </div> |
| <div class="outer"> |
| <div class="inner" id="pos-left-bottom"> |
| <div class="overflow"></div> |
| </div> |
| </div> |
| <div class="outer"> |
| <div class="inner" id="pos-right-top"> |
| <div class="overflow"></div> |
| </div> |
| </div> |
| <div class="outer"> |
| <div class="inner" id="pos-right-bottom"> |
| <div class="overflow"></div> |
| </div> |
| </div> |
| </body> |
| </html> |
