<!DOCTYPE html> <html> <head> <title>CSS Flexible Box Test: align-content property - flex-start</title> <link rel="author" title="haosdent" href="mailto:haosdent@gmail.com"> <link rel="help" href="http://www.w3.org/TR/css-flexbox-1/#align-content-property"> <link rel="match" href="reference/flex-align-content-start-ref.html"> <meta name="assert" content="Statement describing what the test case is asserting"> <style type="text/css"> .container { position: relative; height: 14em; width: 20em; display: flex; flex-wrap: wrap; align-content: flex-start; background: red; margin: 1em; border: 1px solid black; } span { height: 2em; display: inline-block; flex: none; background: green; color: white; margin: 1em; width: 8em; } </style> </head> <body> <p>The test passed if you see a 2*2 table and all the cells are at the top of the container.</p> <div class="container"> <span>first</span> <span>second</span> <span>third</span> <span>forth</span> </div> </body> </html>