<!DOCTYPE html> <!-- Any copyright is dedicated to the Public Domain. http://creativecommons.org/publicdomain/zero/1.0/ --><html><head> <title>CSS Test: Testing the sizing of a stretched horizontal flex container in a vertical flex container</title> <link href="mailto:dholbert@mozilla.com" rel="author" title="Daniel Holbert"> <link href="http://www.w3.org/TR/css-flexbox-1/#layout-algorithm" rel="help"> <link href="reference/flexbox-align-self-stretch-vert-001-ref.htm" rel="match"> <meta content="If a stretched flex item's main size is influenced by its cross size, and the flex container has a definite cross size, then the item's cross size should be resolved early so that it can be used when determining the item's main size" name="assert"> <meta content="http://dev.w3.org/csswg/css-flexbox/issues-cr-2012#issue-23" name="assert"> <meta charset="utf-8"> <style> div.fixedWidthWrapper { width: 200px; /* Small enough that 3 characters can _easily_ fit in our width */ font-size: 12px; } div.vertContainer { display: flex; flex-direction: column; } div.vertItem { background: red; } div.horizContainer { display: flex; } div.horizItem { flex: 1; background: lime; } </style> </head> <body> <div class="fixedWidthWrapper"> <div class="vertContainer"> <div class="vertItem"> <div class="horizContainer"> <div class="horizItem">A B C</div> <div class="horizItem"></div> </div> </div> </div> </div> </body></html>