tor-browser

The Tor Browser
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scroll-marker-group-add-dynamic-001.html (753B)

      1 <!DOCTYPE html>
      2 <title>CSS Overflow Test: Dynamically change a ::scroll-marker-group</title>
      3 <link rel="help" href="https://drafts.csswg.org/css-overflow-5/#scroll-marker-group-pseudo">
      4 <link rel="match" href="scroll-marker-group-add-dynamic-001-ref.html">
      5 <style>
      6  #scroller {
      7    scroll-marker-group: before;
      8    overflow: auto;
      9    width: 200px;
     10    height: 200px;
     11  }
     12 
     13  #item::scroll-marker {
     14    content: "PASS"
     15  }
     16 
     17  #scroller::scroll-marker-group {
     18    display: flex;
     19  }
     20 
     21  #scroller.group::scroll-marker-group {
     22    display: block;
     23    height: 100px;
     24  }
     25 </style>
     26 <p>Test passes if there is the word "PASS" below.</p>
     27 <div id="scroller">
     28  <div id="item"></div>
     29 </div>
     30 <script>
     31  scroller.offsetTop;
     32  scroller.className = "group";
     33 </script>