<!DOCTYPE html> <!-- Any copyright is dedicated to the Public Domain. http://creativecommons.org/publicdomain/zero/1.0/ --> <!-- Reference case, using inline-block instead of inline-flex, and with the baseline-aligned items aligned using specific font-size / line-heights, and with unaligned children taken out of baseline-alignment using "vertical-align:top". --> <html> <head> <title>CSS Reftest Reference</title> <link rel="author" title="Daniel Holbert" href="mailto:dholbert@mozilla.com"> <meta charset="utf-8"> <style> .flexContainer { display: inline-block; width: 40px; /* Split testcase's 40px height into 20px of padding-bottom and 20px of height, to set aside space for the testcase's (invisible) second line. */ height: 20px; padding-bottom: 20px; background: lightblue; } .flexContainer > * { width: 20px; display: inline-block; } .smallFont { font-size: 8px; line-height: 8px; } .medFont { font-size: 12px; line-height: 12px; } .bigFont { font-size: 16px; line-height: 16px; } .unaligned { vertical-align: top } </style> </head> <body> a <!-- Flex containers with flex items that have a mix of baselines: --> <div class="flexContainer medFont"> <div class="bigFont">d</div ><div class="medFont unaligned">e</div> </div> <div class="flexContainer bigFont"> <div class="bigFont">h</div ><div class="medFont unaligned">i</div> </div> n </body> </html>