<!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>flexbox | flex: larger integer, zero basis</title> <link href="http://opera.com" rel="author" title="Opera Software" /> <link href="http://www.w3.org/TR/css-flexbox-1/#propdef-flex-basis" rel="help" /> <link href="reference/flexbox_flex-natural-variable-zero-basis-ref.xht" rel="match" /> <style> div { border: 1px solid black; height: 8em; width: 36em; display: flex; } span { width: 6em; display: block; flex: 1 1 0%; } span:nth-child(2) { flex: 3 1 0%; } span:nth-child(1) {background: yellow;} span:nth-child(2) {background: pink;} span:nth-child(3) {background: lightblue;} span:nth-child(4) {background: grey;} </style> </head><body><div> <span>one</span> <span>two</span> <span>three</span> <span>four</span> </div> </body></html>