mask-origin-1.html (1607B)
1 <!DOCTYPE html> 2 <html> 3 <head> 4 <meta charset="utf-8"> 5 <title>CSS Masking: mask-origin: mask positioning area</title> 6 <link rel="author" title="Astley Chen" href="mailto:aschen@mozilla.com"> 7 <link rel="author" title="Mozilla" href="https://www.mozilla.org"> 8 <link rel="help" href="https://www.w3.org/TR/css-masking-1/#the-mask-origin"> 9 <link rel="match" href="mask-origin-1-ref.html"> 10 <meta name="assert" content="Test checks whether setting mask position area works correctly or not."> 11 <style type="text/css"> 12 div.outer { 13 border: 1px solid black; 14 width: 100px; 15 height: 100px; 16 } 17 18 div.inner { 19 /* 20 * content box: 60 x 60 21 * padding box: 72 x 78 22 * border box: 80 x 90 23 * margin box: 86 x 94 24 */ 25 margin: 1px 2px 3px 4px; 26 border: solid transparent; 27 border-width: 8px 2px 4px 6px; 28 padding: 6px 9px 12px 3px; 29 width: 60px; 30 height: 60px; 31 background-color: purple; 32 mask-image: url(support/50x50-opaque-blue.svg); 33 mask-repeat: no-repeat; 34 mask-position: left top; 35 } 36 37 #border { mask-origin: border-box; } 38 #padding { mask-origin: padding-box; } 39 #content { mask-origin: content-box; } 40 </style> 41 </head> 42 <body> 43 <div class="outer"><div class="inner"></div></div> 44 <div class="outer"><div class="inner" id="border"></div></div> 45 <div class="outer"><div class="inner" id="padding"></div></div> 46 <div class="outer"><div class="inner" id="content"></div></div> 47 </body> 48 </html>