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<!DOCTYPE HTML>
<!--
Any copyright is dedicated to the Public Domain.
-->
<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;
-ms-columns: 5;
-webkit-columns: 5;
columns: 5;
-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>