<!DOCTYPE HTML> <title>CSS Test: breaking of a multicolumn</title> <meta charset="utf-8"> <link rel="author" title="L. David Baron" href="https://dbaron.org/"> <link rel="author" title="Ting-Yu Lin" href="mailto:tlin@mozilla.com"> <link rel="author" title="Mozilla" href="https://mozilla.org/"> <link rel="help" href="https://drafts.csswg.org/css-multicol/#column-gaps-and-rules"> <link rel="help" href="https://drafts.csswg.org/css-multicol/#cf"> <link rel="help" href="https://github.com/w3c/csswg-drafts/issues/2309"> <link rel="help" href="https://drafts.csswg.org/css-break/#break-decoration"> <link rel="match" href="multicol-breaking-nobackground-004-ref.html"> <style> .outer { height: 125px; column-fill: auto; width: 800px; column-count: 4; column-gap: 16px; background: rgba(0, 0, 255, 0.3); } .inner { column-count: 2; column-rule: 2px solid fuchsia; column-gap: 16px; font: 16px/1.25 sans-serif; border: solid green; border-width: 0 0 25px 0; box-decoration-break: clone; } </style> <div class="outer"> <div class="inner" style="height: 300px"> AAAAA<br> BBBBB<br> CCCCC<br> DDDDD<br> EEEEE<br> FFFFF<br> GGGGG<br> HHHHH<br> IIIII<br> JJJJJ<br> KKKKK<br> LLLLL<br> MMMMM<br> NNNNN<br> OOOOO<br> PPPPP<br> QQQQQ </div> </div>