<!DOCTYPE HTML> <!-- Any copyright is dedicated to the Public Domain. http://creativecommons.org/publicdomain/zero/1.0/ --> <html><head> <meta charset="utf-8"> <title>Reference: Fragmentation of height:auto grid, top-of-page</title> <link rel="author" title="Mats Palmgren" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1144096"> <style type="text/css"> html,body { color:black; background-color:white; font-size:16px; padding:0; margin:0; } body { overflow:hidden; } .columns { position:relative; -moz-columns: 5; -ms-columns: 5; -webkit-columns: 5; columns: 5; -moz-column-fill: auto; -ms-column-fill: auto; -webkit-column-fill: auto; column-fill: auto; border: 2px dashed; margin-bottom: 5px; } .grid { display: grid; grid-template-columns: 30px 30px 30px; grid-auto-rows: 30px; grid-gap: 12px; border:5px solid; border-top-width:0; align-content: start; } span { padding-top:20px; background:lime; border:1px solid black; } .t { border-bottom-width:0; } .b { border-top-width:0; } .m { border-top-width:0; border-bottom-width:0; } i { display:block; height:10px; margin-top:7px; background:blue; } </style> </head> <body> <div class="columns" style="height: 94px"> <div style="background:grey"> <div class="grid t" style="grid-template-rows: 1fr; grid-gap:0; height:82px"> <span style="height:50px;"><i style="height:54px"></i></span> <span style="height:60px"><i></i><i></i><i></i></span> </div> <div class="grid b" style="grid-template-rows: 50px; grid-gap:0;"> <span></span> </div> </div></div> <div class="columns" style="height: 94px"> <div style="background:grey"> <div class="grid t" style="grid-template-rows: 1fr; grid-gap:0; height:82px"> <span class="t"></span> <span style="height:50px;"><i style="height:54px"></i></span> <span style="height:60px"><i></i><i></i><i></i></span> </div> <div style="height:12px"></div> <div class="grid b" style="grid-template-rows: 50px; grid-gap:0;"> <span class="b"></span> <span class="m" style="padding:0; height:6px; background:blue; margin: 0 1px; border-width:0"></span> </div> </div></div> <div class="columns" style="height: 94px"> <div style="background:grey"> <div class="grid t" style="grid-template-rows: 1fr; grid-gap:0; height:82px"> <span class="t"></span> <span style="height:50px"><i style="height:54px"></i></span> <span style="height:60px"><i></i><i></i><i></i></span> </div> <div class="grid m" style="grid-template-rows: 80px; grid-gap:0;"> <span class="m"></span> <span class="m" style="padding:0; height:6px; background:blue; margin: 0 1px; border-width:0"></span> </div> <div class="grid b" style="grid-template-rows: 30px; grid-gap:0;"> <span class="b"></span> </div> </div></div> <div class="columns" style="height: 94px"> <div style="background:grey"> <div class="grid t" style="grid-template-rows: 5px; grid-row-gap:0; height:5px"> <span class="t" style="grid-column:3"></span> </div> <div style="height:88px"></div> <div class="grid m" style="grid-template-rows: 1fr; grid-row-gap:0; height:82px"> <span style="height:50px"><i style="height:54px"></i></span> <span style="height:60px"><i></i><i></i><i></i></span> <span class="m"></span> </div> <div class="grid m" style="grid-template-rows: 92px; grid-row-gap:0;"> <span class="m" style="padding:0; height:6px; background:blue; margin: 0 1px; border-width:0"></span> <span class="m" style="grid-column:3"></span> </div> <div class="grid b" style="grid-template-rows: 30px; grid-row-gap:0;"> <span class="b" style="grid-column:3"></span> </div> </div></div> <div class="columns" style="height: 94px"> <div style="background:grey"> <div class="grid t" style="grid-template-rows: 5px; grid-row-gap:0; height:5px"> <span class="t"></span> </div> <div style="height:88px"></div> <div class="grid m" style="grid-template-rows: 1fr; grid-row-gap:0; height:82px"> <span class="m"></span> <span style="height:50px"><i style="height:54px"></i></span> <span style="height:60px"><i></i><i></i><i></i></span> </div> <div class="grid m" style="grid-template-rows: 92px; grid-row-gap:0;"> <span class="m"></span> <span class="m" style="padding:0; height:6px; background:blue; margin: 0 1px; border-width:0"></span> </div> <div class="grid b" style="grid-template-rows: 30px; grid-row-gap:0;"> <span class="b"></span> </div> </div></div> </body> </html>