<!DOCTYPE html><htmlclass="reftest-wait"><metacharset="utf-8"><title>CSS Multi-column Layout Test: Remove the spanner in a block</title><linkrel="author"title="Ting-Yu Lin"href="mailto:tlin@mozilla.com"><linkrel="author"title="Mozilla"href="http://www.mozilla.org/"><linkrel="help"href="https://drafts.csswg.org/css-multicol-1/#column-span"><linkrel="match"href="multicol-span-all-dynamic-remove-001-ref.html"><metaname="assert"content="This test checks removing a 'column-span' element should be rendered correctly."><script>functionrunTest(){document.body.offsetHeight;document.getElementById("spanner").remove();document.documentElement.removeAttribute("class");}</script><style>#column{column-count:3;column-rule:6pxsolid;width:400px;outline:1pxsolidblack;}h3{column-span:all;outline:1pxsolidblue;}</style><bodyonload="runTest();"><articleid="column"><divid="block1">block1<h3id="spanner">spanner</h3></div><div>block2</div></article></body></html>