<?xml version="1.0" encoding="UTF-8"?> <!-- Any copyright is dedicated to the Public Domain. http://creativecommons.org/publicdomain/zero/1.0/ --> <!-- Testcase with a variety of 'display: flex' examples with margin-top and/or margin-bottom set to 'auto' on flex items. --> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>CSS Test: Testing vertical auto margins on flex items in a horizontal flex container</title> <link rel="author" title="Daniel Holbert" href="mailto:dholbert@mozilla.com"/> <link rel="help" href="http://www.w3.org/TR/css-flexbox-1/#auto-margins"/> <link rel="match" href="flexbox-margin-auto-horiz-002-ref.xhtml"/> <style> div.flexbox { border: 2px dotted black; display: flex; margin-bottom: 2px; width: 100px; } div.fixedSize { width: 20px; height: 20px; } div.gray { background: gray; } div.green { background: green; } div.pink { background: pink; } div.blue { background: blue; } div.autoTop { margin-top: auto; } div.autoBottom { margin-bottom: auto; } div.fixedTop { margin-top: 10px; } div.fixedBottom { margin-bottom: 10px; } </style> </head> <body> <!-- fixed-height flexbox, with items that have auto margins --> <div class="flexbox" style="height: 100px"> <div class="fixedSize green autoTop"/> <div class="fixedSize pink autoBottom"/> <div class="fixedSize blue autoTop autoBottom"/> </div> <!-- fixed-height flexbox, with items that have auto & fixed margins --> <div class="flexbox" style="height: 100px"> <div class="fixedSize green autoTop fixedBottom"/> <div class="fixedSize pink autoBottom fixedTop"/> </div> <!-- height-shrinkwrapping flexbox, sized by item w/ fixed height & margins, with other items that have auto margins --> <div class="flexbox"> <div class="fixedSize green autoTop"/> <div class="fixedSize pink autoBottom"/> <div class="fixedSize blue autoTop autoBottom"/> <div class="fixedTop fixedBottom gray" style="width: 10px; height: 30px"/> </div> <!-- height-shrinkwrapping flexbox, sized by item w/ fixed height & margins, with other items that have auto & fixed margins --> <div class="flexbox"> <div class="fixedSize green autoTop fixedBottom"/> <div class="fixedSize pink autoBottom fixedTop"/> <div class="fixedTop fixedBottom gray" style="width: 10px; height: 30px"/> </div> </body> </html>