<!DOCTYPE html> <!-- Any copyright is dedicated to the Public Domain. http://creativecommons.org/publicdomain/zero/1.0/ --> <!-- Testcase for how we compute the baseline of a horizontal flex container with several flex items, some of which have "align-self:baseline". The spec says this about this case: If any of the flex items on the flex container's first line participate in baseline alignment, the flex container's main-axis baseline is the baseline of those flex items. --> <html> <head> <title>CSS Test: Testing the baseline of a horizontal flex container with baseline-aligned flex items</title> <link rel="author" title="Daniel Holbert" href="mailto:dholbert@mozilla.com"> <link rel="help" href="http://www.w3.org/TR/css-flexbox-1/#flex-baselines"> <link rel="match" href="flexbox-baseline-align-self-baseline-horiz-001-ref.html"> <meta charset="utf-8"> <style> body { margin: 0; font-size: 20px; line-height: 20px; } .flexContainer { display: inline-flex; background: lightblue; align-items: baseline; } .hugeAndUnaligned { font-size: 35px; line-height: 35px; /* This one flex item won't be baseline-aligned, so it won't impact the flex container's positioning */ align-self: stretch; } .smallFont { font-size: 10px; line-height: 10px; } </style> </head> <body> a <div class="flexContainer"> <div class="smallFont">b</div> <div>c</div> <div class="hugeAndUnaligned">d</div> </div> <div class="flexContainer"> <div class="hugeAndUnaligned">e</div> <div>f</div> <div class="smallFont">g</div> </div> <div class="flexContainer"> <div class="hugeAndUnaligned">h</div> <div class="smallFont">i</div> <div>j</div> </div> </body> </html>