<!DOCTYPE html> <title> Test that a scrollable container isn't split across multiple columns. </title> <link rel="help" href="https://www.w3.org/TR/css-break-3/#possible-breaks"> <link rel="match" href="../reference/ref-filled-green-100px-square-only.html"> <p>Test passes if there is a filled green square.</p> <div style="columns:2; column-gap:0; width:200px; height:50px;"> <div style="overflow:auto; width:100px; background:green;"> <div style="height:100px;"></div> </div> </div>