<!doctype html> <title>column-count used value when neither column-count nor column-width are auto</title> <link rel=help href=https://www.w3.org/TR/css-multicol-1/#pseudo-algorithm> <link rel=match href=../reference/ref-filled-green-100px-square.xht> <style> div { position: absolute; } .bg { background: red; width: 100px; height: 100px; } .test { line-height: 50px; width: 100px; background: green; columns: 2 20px; column-gap: 0; orphans: 1; widows: 1; } </style> <p>Test passes if there is a filled green square and <strong>no red</strong>.</p> <div class=bg></div> <div class=test><br><br><br><br></div>