<!DOCTYPE HTML>
<!--
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<html><head>
<meta charset="utf-8">
<title>Reference: stretching fieldset items with auto-margins and/or orthogonal writing-mode</title>
<link rel="author" title="Mats Palmgren" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1316051">
<style type="text/css">
.grid {
display: inline-grid;
border: 3px solid grey;
grid: 60px / 100px;
padding: 10px 4px 3px 6px;
}
fieldset {
border: 1px solid;
padding: 0;
margin: 0;
background: lightgrey;
}
legend { border: 1px dashed blue;}
x { display:block; width:16px; height:16px; }
t { display:block; width:20px; height:20px; }
i { display:block; background:grey; }
.m { margin: 7px 3px 1px 5px; }
.p { padding: 3px 1px 5px 7px; }
.hma10 { margin: 7px 3px 1px 0; }
.hmaa { margin: 7px 0 1px 0; }
.vma10 { margin: 0 7px 3px 1px; }
.vmaa { margin: 0 7px 0 1px; }
.js { justify-self: start; }
.je { justify-self: end; }
.jc { justify-self: center; }
.as { align-self: start; }
.ae { align-self: end; }
.ac { align-self: center; }
.vr { writing-mode: vertical-rl; }
</style>
</head>
<body>
<div class="grid"><fieldset class="m" style="width:90px; height:50px;"><legend><x></x></legend><i><t></t></i></fieldset></div>
<div class="grid"><fieldset class="hma10 je" style="width:22px; height:50px;"><legend><x></x></legend><i><t></t></i></fieldset></div>
<div class="grid"><fieldset class="hmaa jc" style="width:22px; height:50px;"><legend><x></x></legend><i><t></t></i></fieldset></div>
<div class="grid"><fieldset class="vr hma10 je" style="width:37px; height:50px;"><legend><x></x></legend><i><t></t></i></fieldset></div>
<div class="grid"><fieldset class="vr hmaa jc" style="width:37px; height:50px;"><legend><x></x></legend><i><t></t></i></fieldset></div>
<div class="grid"><fieldset class="vr" style="height:58px; width:98px"><legend><x></x></legend><i><t></t></i></fieldset></div>
<div class="grid"><fieldset class="vma10 ae" style="width:90px; height:37px;"><legend><x></x></legend><i><t></t></i></fieldset></div>
<div class="grid"><fieldset class="vmaa ac" style="width:90px; height:37px;"><legend><x></x></legend><i><t></t></i></fieldset></div>
<div class="grid"><fieldset class="vr vma10 ae" style="width:90px; height:22px;"><legend><x></x></legend><i><t></t></i></fieldset></div>
<div class="grid"><fieldset class="vr vmaa ac" style="width:90px; height:22px;"><legend><x></x></legend><i><t></t></i></fieldset></div>
<div class="grid"><fieldset class="vr p vma10 ae" style="width:82px; height:22px;"><legend><x></x></legend><i><t></t></i></fieldset></div>
<div class="grid"><fieldset class="vr p vmaa ac" style="width:82px; height:22px;"><legend><x></x></legend><i><t></t></i></fieldset></div>
</body>
</html>