| <!DOCTYPE html> |
| <html class="reftest-wait"> |
| <meta charset="utf-8"> |
| <title>CSS Multi-column Layout Test: Restyle column-span's parent that is a block</title> |
| <link rel="author" title="Ting-Yu Lin" href="tlin@mozilla.com"> |
| <link rel="author" title="Mozilla" href="http://www.mozilla.org/"> |
| <link rel="help" href="https://drafts.csswg.org/css-multicol-1/#column-span"> |
| <link rel="help" href="https://github.com/w3c/csswg-drafts/issues/1072"> |
| <link rel="match" href="multicol-span-all-restyle-001-ref.html"> |
| <meta name="assert" content="This test checks change the style of the spanner's parent should not affect the spanner."> |
| |
| <script> |
| function runTest() { |
| document.body.offsetHeight; // flush layout |
| |
| var div = document.getElementById("div"); |
| div.style.backgroundColor = "yellow"; |
| |
| document.documentElement.removeAttribute("class"); |
| } |
| </script> |
| |
| <style> |
| #column { |
| column-count: 1; |
| width: 400px; |
| outline: 1px solid black; |
| } |
| h3 { |
| column-span: all; |
| } |
| </style> |
| |
| <body onload="runTest();"> |
| <article id="column"> |
| <div id="div"> |
| <div>yellow block1</div> |
| <h3>spanner (no background-color)</h3> |
| <div>yellow block2</div> |
| </div> |
| </article> |
| </body> |
| </html> |