| <!doctype html> |
| <meta charset="utf-8"> |
| <title>CSS Test: will-change: filter should create a stacking context.</title> |
| <link rel="author" title="Philip Rogers" href="mailto:pdr@chromium.org"> |
| <link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=960953"> |
| <link rel="help" href="https://drafts.csswg.org/css-will-change/#will-change"> |
| <link rel="help" href="https://drafts.fxtf.org/filter-effects/#FilterProperty"> |
| <link rel="match" href="will-change-stacking-context-001-ref.html"> |
| <style> |
| .indicator { |
| position: absolute; |
| background-color: green; |
| z-index: 1; |
| } |
| .willchange { |
| will-change: filter; |
| z-index: 0; |
| } |
| .child { |
| position: relative; |
| background-color: red; |
| z-index: 2; |
| } |
| .box { |
| width: 100px; |
| height: 100px; |
| } |
| </style> |
| |
| <div class="indicator box"></div> |
| <div class="willchange box"> |
| <!-- Because will-change: filter creates a stacking context, this child |
| remains on bottom even though it has a higher z-index than the indicator |
| box. --> |
| <div class="child box"></div> |
| </div> |
