scroll-marker-group-add-dynamic-004.html (1067B)
1 <!DOCTYPE html> 2 <title>Re-attach fieldset ::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="../reference/ref-filled-green-100px-square.xht"> 5 <style> 6 fieldset, 7 legend { 8 margin: 0; 9 border: 0; 10 padding: 0; 11 } 12 13 #scrollable::scroll-marker-group { 14 display: block; 15 height: 50px; 16 } 17 18 #scrollable.extra::scroll-marker-group { 19 display: flex; 20 } 21 22 #scrollable>div::scroll-marker { 23 display: block; 24 width: 50px; 25 height: 50px; 26 content: ""; 27 background: green; 28 } 29 </style> 30 <p>Test passes if there is a filled green square and <strong>no red</strong>.</p> 31 <div style="width:100px; height:100px; background:red;"> 32 <fieldset id="scrollable" style="scroll-marker-group:after; height:50px; overflow:hidden; background:green;"> 33 <legend style="width:100px; height:20px; background:green;"></legend> 34 <div></div> 35 <div></div> 36 </fieldset> 37 </div> 38 <script> 39 document.body.offsetTop; 40 scrollable.className = "extra"; 41 </script>