tor-browser

The Tor Browser
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contain-paint-clip-013.html (2126B)


      1 <!DOCTYPE html>
      2 
      3  <meta charset="UTF-8">
      4 
      5  <title>CSS Containment Test: 'contain: paint' and clipping descendants at padding edge</title>
      6 
      7  <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/">
      8  <link rel="help" href="https://www.w3.org/TR/css-contain-1/#containment-paint">
      9  <link rel="match" href="../reference/ref-filled-green-100px-square.xht">
     10 
     11  <meta content="This test checks that the paint of the descendant (a red square image) and its geometry is clipped to the padding edge of the element's principal box." name="assert">
     12 
     13  <!--
     14 
     15  contain-paint-clip-011: content overflows horizontally, principal box has no padding
     16 
     17  contain-paint-clip-012: content overflows vertically, principal box has no padding
     18 
     19  contain-paint-clip-013: content overflows horizontally, principal box has horizontal padding
     20 
     21  contain-paint-clip-014: content overflows vertically, principal box has vertical padding
     22 
     23  contain-paint-clip-015: content overflow horizontally, principal box has horizontal padding and corner clipping is involved
     24 
     25  contain-paint-clip-016: content overflow vertically, principal box has vertical padding and corner clipping is involved
     26 
     27  contain-paint-clip-017: principal box has horizontal and vertical padding, generated ::before content is inside top-right corner
     28 
     29  contain-paint-clip-018: principal box has horizontal and vertical padding, generated ::after content is inside top-left corner
     30 
     31  -->
     32 
     33 
     34  <style>
     35  div#red-overlapped-test
     36    {
     37      background-color: red;
     38      contain: paint;
     39      padding: 0px 25px;
     40      width: 50px;
     41    }
     42 
     43  img
     44    {
     45      vertical-align: bottom;
     46    }
     47 
     48  div#green-overlapping-reference
     49    {
     50      background-color: green;
     51      bottom: 100px;
     52      height: 100px;
     53      position: relative;
     54      width: 100px;
     55    }
     56  </style>
     57 
     58  <p>Test passes if there is a filled green square and <strong>no red</strong>.
     59 
     60  <div id="red-overlapped-test"><img src="support/swatch-red.png" width="175" height="100" alt="Image download support must be enabled"></div>
     61 
     62  <div id="green-overlapping-reference"></div>