<!DOCTYPE HTML> <!-- Any copyright is dedicated to the Public Domain. http://creativecommons.org/publicdomain/zero/1.0/ --> <html><head> <meta charset="utf-8"> <title>CSS Display Test: display:flow-root</title> <link rel="author" title="Mats Palmgren" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1322191"> <link rel="help" href="https://drafts.csswg.org/css-display-3/#valdef-display-flow-root"> <link rel="match" href="display-flow-root-001-ref.html"> <style type="text/css"> html,body { color:black; background-color:white; font:16px/1 monospace; padding:0; margin:0; } .float { float: left; width: 20px; height: 40px; background: pink; } </style> </head> <body> <div style="border:1px solid"> <!-- this tests that the flow-root margins don't collapse with its children. --> <span style="display:flow-root; margin: 20px 0"> <div style="margin: 20px 0">x</div> </span> </div> <div style="border:1px solid"> <!-- this tests that the flow-root grows to fit child floats --> <span style="display:flow-root"><div class="float"></div></span> </div> <div style="border:1px solid; margin-bottom:20px"> <!-- this tests that a float does not intrude into flow-root box --> <div class="float"></div> <span style="display:flow-root; border:1px solid">x</span> </div> <span> <!-- this tests that a flow-root box is constructed also in the "ibsplit" case --> <span style="display:flow-root; background:grey;"><div style="margin:20px">x</div></span> </span> <span style="display:flow-root; border:3px solid; height:10px;"> <!-- this tests that a flow-root fills the available width, and that 'height' applies --> </span> </body> </html>