will-change-fixedpos-cb-005.html (925B)
1 <!doctype html> 2 <meta charset="utf-8"> 3 <title>CSS Test: will-change: backdrop-filter on an inline should generate a containing block for fixed positioned elements.</title> 4 <link rel="author" title="Philip Rogers" href="mailto:pdr@chromium.org"> 5 <link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=960953"> 6 <link rel="help" href="https://drafts.csswg.org/css-will-change/#will-change"> 7 <link rel="help" href="https://drafts.fxtf.org/filter-effects-2/#BackdropFilterProperty"> 8 <link rel="match" href="will-change-fixedpos-cb-005-ref.html"> 9 <style> 10 .inline { 11 margin-left: 100px; 12 will-change: backdrop-filter; 13 } 14 .fixedpos { 15 position: fixed; 16 top: 0; 17 left: 0; 18 background: green; 19 height: 100px; 20 width: 100px; 21 } 22 </style> 23 <span class="inline"> 24 <!-- "FAIL" should be hidden by the green box and should not be visible. --> 25 FAIL 26 <div class="fixedpos"></div> 27 </span>