<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"><head> <title>CSS Flexbox Test: flex-wrap: wrap</title> <link href="mailto:tokuda109@gmail.com" rel="author" title="Tsuyoshi Tokuda" /> <link href="http://www.w3.org/TR/css-flexbox-1/#propdef-flex-wrap" rel="help" /> <link href="reference/flex-box-wrap-ref.xht" rel="match" /> <meta content="" name="flags" /> <meta content="the test passes if you see green box." name="assert" /> <style type="text/css"> .flex-box { position: relative; display: flex; flex-wrap: wrap; margin: 0; padding-left: 0; width: 200px; } .flex-item, .error { list-style-type: none; width: 120px; height: 100px; background-color: green; } .error { position: absolute; top: 100px; left: 0; background-color: red; z-index: -1; } </style> </head> <body> <p>There should be a green block with no red.</p> <ul class="flex-box"> <li class="flex-item">width: 120px</li> <li class="flex-item">width: 120px</li> <li class="error"></li> </ul> </body></html>