<!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: Items stretch correctly while content is animating</title> <link href="mailto:micky2be@gmail.com" rel="author" title="Micky Brunetti" /> <style> @keyframes resize { 0% {height: 100px;} 100% {height: 50px;} } .test { height: 100px; width: 200px; background-color: green; animation: resize 500ms infinite alternate; } </style> </head> <body> <p>The test passes if you keep seeing a green rectangle and no red.</p> <div class="test"></div> </body></html>