<!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 Grid Reference: margin:auto stretch items</title> <link rel="author" title="Mats Palmgren" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1348857"> <style type="text/css"> body,html { color:black; background:white; font:16px/1 monospace; padding:0; margin:0; } .grid { display: inline-grid; width: 100px; height: 50px; grid: 7px 30px 3px / 7px 112px 3px; grid-gap: 5px; border:1px solid; } .c2 { grid-template-columns: 7px 122px 3px; } .h > .grid { grid: 7px 112px 3px / 7px 80px 3px; grid-gap: 0; } .grid > * { grid-area: 2/2; border:1px solid; margin: 0 auto; justify-self:start; align-self:start; height:28px; } .c2 > * { height:22px; } .h .grid > * { margin: 10px 0 0 10px; justify-self:center; align-self:center; width:5px; height:110px; } .m { margin: 1px 3px 5px 7px; } x { display:block; width:110px; height:5px; background:grey; } .h .grid x { width:5px; height:110px; } br { clear:both; } </style> </head> <body> <div class="grid"><span class="oa"><x></x></span></div> <div class="grid"><span class="os"><x></x></span></div> <div class="grid"><span class="oh"><x></x></span></div> <div class="grid"><span class=" "><x></x></span></div> <br> <div class="grid c2"><span class="m oa"><x></x></span></div> <div class="grid c2"><span class="m os"><x></x></span></div> <div class="grid c2"><span class="m oh"><x></x></span></div> <div class="grid c2"><span class="m "><x></x></span></div> <br> <div class="h"> <div class="grid"><span class="oa"><x></x></span></div> <div class="grid"><span class="os"><x></x></span></div> <div class="grid"><span class="oh"><x></x></span></div> <div class="grid"><span class=" "><x></x></span></div> <br> <div class="grid"><span class="m oa"><x></x></span></div> <div class="grid"><span class="m os"><x></x></span></div> <div class="grid"><span class="m oh"><x></x></span></div> <div class="grid"><span class="m "><x></x></span></div> <br> </div> </body> </html>