<!DOCTYPE html> <!-- Any copyright is dedicated to the Public Domain. http://creativecommons.org/publicdomain/zero/1.0/ --> <html> <head> <title>CSS Reftest Reference</title> <link rel="author" title="Daniel Holbert" href="mailto:dholbert@mozilla.com"> <style> .flexContainer { background: purple; display: flex; flex-direction: column; flex-wrap: wrap; width: 70px; height: 70px; margin-bottom: 5px; } .bigItem { background: blue; width: 200px; height: 50px; } .smallItem { background: teal; width: 20px; height: 50px; } .hidden > .bigItem { /* To match the testcase's "overflow:hidden"-cropped flex item, we just use a smaller width that exactly fits the space remaining in our container, after wrapping */ width: 50px; } </style> </head> <body> <div class="flexContainer"><!-- (overflow un-set) --> <div class="smallItem"></div> <div class="bigItem"></div> </div> <div class="flexContainer hidden"> <div class="smallItem"></div> <div class="bigItem"></div> </div> </body> </html>