tor-browser

The Tor Browser
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position-absolute-margin-auto-001.html (1034B)


      1 <!DOCTYPE html>
      2 <title>Tests the calculation of negative auto margins of absolutely positioned element</title>
      3 <link rel="help" href="https://drafts.csswg.org/css-position/#abspos-margins">
      4 <link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=1492323">
      5 <link rel="author" href="mailto:xiaochengh@chromium.org">
      6 <script src="/resources/testharness.js"></script>
      7 <script src="/resources/testharnessreport.js"></script>
      8 <script src="/resources/check-layout-th.js"></script>
      9 <style>
     10 .cb {
     11  position: relative;
     12  width: 400px;
     13  height: 400px;
     14  outline: 1px dashed black;
     15 }
     16 
     17 .target {
     18  writing-mode: vertical-lr;
     19  position: absolute;
     20  background: green;
     21  width: calc(100% - 100px);
     22  height: calc(100% - 100px);
     23  inset: 100px;
     24  margin: auto;
     25 }
     26 </style>
     27 
     28 <body onload="checkLayout('.target')">
     29  <div class="cb">
     30    <div class="target"
     31         data-expected-margin-top="-50" data-expected-margin-bottom="-50"
     32         data-expected-margin-left="0" data-expected-margin-right="-100"></div>
     33  </div>
     34 </body>