<!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><meta charset="utf-8" /> <title>CSS Flexbox Test: flex-basis - auto</title> <link href="Intel" rel="author" title="http://www.intel.com" /> <link href="Intel" rel="author" title="mailto:shiyoux.tan@intel.com" /> <link href="http://www.w3.org/TR/css-flexbox-1/#propdef-flex-basis" rel="help" title="7.3.3. The 'flex-basis' property" /> <link href="reference/ref-filled-green-100px-square.xht" rel="match" /> <meta content="" name="flags" /> <meta content="The 'flex-basis' property set 'auto', the actual width of tested element same as the value which specified by width property." name="assert" /> <style> #container { background-color: red; display: flex; height: 100px; width: 100px; } #container div{ background-color: green; height: 100px; } #ref { width: 50px; } #test { flex-basis: auto; width: 50px; } </style> </head><body> <p>Test passes if there is a filled green square and <strong>no red</strong>.</p> <div id="container"> <div id="test"></div> <div id="ref"></div> </div> </body></html>