<!DOCTYPE html> <html><head><title>flexbox | multicol</title> <link href="http://opera.com" rel="author" title="Opera Software"> <link href="http://www.w3.org/TR/css-flexbox-1/#flex-containers" rel="help"> <link href="reference/flexbox_columns-ref.htm" rel="match"> <style> ul { background: black; padding: 0; margin: 0; display: flex; justify-content: space-around; columns: 3; column-rule: 1em solid red; } </style> </head><body><ul> <li>one two three four</li> <li>damer</li> <li>damer</li> <li>damer</li> <li>damer</li> </ul> </body></html>