<!DOCTYPE HTML>
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<html><head>
  <meta charset="utf-8">
  <title>Reference: stretching intrinsic size items with 'normal' and/or 'stretch' and min/max-size, with Automatic Minimum Size clamping</title>
  <link rel="author" title="Mats Palmgren" href="https://bugzilla.mozilla.org/show_bug.cgi?id=">
  <style type="text/css">
* { vertical-align: top; }
.grid {
  display: inline-grid;
  border: 3px solid grey;
  grid: 32px / 4px;
  margin-right:20px;
  align-items: start;
  justify-items: start;
}
.r { grid: 4px / 32px; }

iframe {
  border: 1px solid;
  padding: 0;
  margin: 0;
  background: lightgrey;
}

.w20 { width: 20px min-width: 0px; }
.mw20 { min-width: 20px }
.mw0 { min-width: 0px }

.h20 { height: 20px; min-height: 0px; }
.mh20 { min-height: 20px }
.mh0 { min-height: 0px }

  </style>
</head>
<body>

<div class="grid r"><iframe></iframe></div>
<div class="grid r"><iframe class="start"></iframe></div>
<div class="grid r"><iframe class="sa"></iframe></div>
<div class="grid r"><iframe class="sa mxw10"></iframe></div>
<div class="grid r"><iframe class="na"></iframe></div>
<div class="grid r"><iframe class="na mxw2"></iframe></div>

<pre><!--min-height:20px--></pre>
<div class="grid r" style="margin-right:0"><iframe class="mh20"></iframe></div>
<div class="grid r"><iframe class="mh20 mxw10"></iframe></div>
<div class="grid r"><iframe class="start mh20"></iframe></div>
<div class="grid r"><iframe class="start mh20 mxw10"></iframe></div>
<div class="grid r"><iframe class="sa mh20"></iframe></div>
<div class="grid r"><iframe class="sa mh20 mxw10"></iframe></div>
<div class="grid r"><iframe class="na mh20"></iframe></div>
<div class="grid r"><iframe class="na mh20 mxw10"></iframe></div>

<pre><!--min-height:0--></pre>
<div class="grid r"><iframe class="mh0"></iframe></div>
<div class="grid r"><iframe class="mh0 mxw10"></iframe></div>
<div class="grid r"><iframe class="start mh0"></iframe></div>
<div class="grid r"><iframe class="start mh0 mxw10"></iframe></div>
<div class="grid r"><iframe class="sa mh0"></iframe></div>
<div class="grid r"><iframe class="sa mh0 mxw10"></iframe></div>
<div class="grid r"><iframe class="na mh0"></iframe></div>
<div class="grid r"><iframe class="na mh0 mxw2"></iframe></div>

<pre><!----></pre>

<div class="grid"><iframe></iframe></div>
<div class="grid"><iframe class="mxw2"></iframe></div>
<div class="grid"><iframe class="start"></iframe></div>
<div class="grid"><iframe class="start mxw2"></iframe></div>
<div class="grid"><iframe class="sa"></iframe></div>
<div class="grid"><iframe class="sa mxw2"></iframe></div>
<div class="grid"><iframe class="na"></iframe></div>
<div class="grid"><iframe class="na mxw2"></iframe></div>

<pre><!--min-width:20px--></pre>
<div class="grid"><iframe class="mw20"></iframe></div>
<div class="grid"><iframe class="mw20 mxh10"></iframe></div>
<div class="grid"><iframe class="start mw20"></iframe></div>
<div class="grid" style="margin-top:5px"><iframe class="start mw20 mxh10"></iframe></div>
<div class="grid" style="margin-top:10px"><iframe class="sa mw20"></iframe></div>
<div class="grid" style="margin-top:25px"><iframe class="sa mw20 mxh10"></iframe></div>
<div class="grid"><iframe class="na mw20"></iframe></div>
<div class="grid" style="margin-top:5px"><iframe class="na mw20 mxh10 mxw10"></iframe></div>

<pre><!--min-width:0--></pre>
<div class="grid"><iframe class="mw0"></iframe></div>
<div class="grid"><iframe class="mw0 mxh10"></iframe></div>
<div class="grid"><iframe class="start mw0"></iframe></div>
<div class="grid" style="margin-top:5px"><iframe class="start mw0 mxh10"></iframe></div>
<div class="grid" style="margin-top:10px"><iframe class="sa mw0"></iframe></div>
<div class="grid" style="margin-top:25px"><iframe class="sa mw0 mxh10 mxw10"></iframe></div>
<div class="grid"><iframe class="na mw0 mxw10"></iframe></div>
<div class="grid" style="margin-top:5px"><iframe class="na mw0 mxh10"></iframe></div>

<pre><!--width:20px--></pre>

<div class="grid r"><iframe class="w20"></iframe></div>
<div class="grid r"><iframe class="w20 mxh10"></iframe></div>
<div class="grid r"><iframe class="start w20"></iframe></div>
<div class="grid r"><iframe class="start w20 mxh10"></iframe></div>
<div class="grid r"><iframe class="sa w20"></iframe></div>
<div class="grid r"><iframe class="sa w20 mxh2"></iframe></div>
<div class="grid r"><iframe class="na w20"></iframe></div>
<div class="grid r"><iframe class="na w20 mxh2"></iframe></div>

<pre><!--width:20px--></pre>

<div class="grid"><iframe class="start w20"></iframe></div>
<div class="grid"><iframe class="start w20 mxh10"></iframe></div>
<div class="grid"><iframe class="start w20"></iframe></div>
<div class="grid"><iframe class="start w20 mxh10"></iframe></div>
<div class="grid"><iframe class="sa w20"></iframe></div>
<div class="grid"><iframe class="sa w20 mxh10"></iframe></div>
<div class="grid"><iframe class="na w20"></iframe></div>
<div class="grid"><iframe class="na w20 mxh10"></iframe></div>

<pre><!--height:20px--></pre>

<div class="grid r"><iframe class="h20"></iframe></div>
<div class="grid r"><iframe class="h20 mxw10"></iframe></div>
<div class="grid r"><iframe class="start h20"></iframe></div>
<div class="grid r"><iframe class="start h20 mxw10"></iframe></div>
<div class="grid r"><iframe class="as h20"></iframe></div>
<div class="grid r"><iframe class="as h20 mxw10"></iframe></div>
<div class="grid r"><iframe class="an h20"></iframe></div>
<div class="grid r"><iframe class="an h20 mxw10"></iframe></div>

<pre><!--height:20px--></pre>

<div class="grid"><iframe class="h20"></iframe></div>
<div class="grid"><iframe class="h20 mxw2"></iframe></div>
<div class="grid"><iframe class="start h20"></iframe></div>
<div class="grid"><iframe class="start h20 mxw10"></iframe></div>
<div class="grid"><iframe class="as h20"></iframe></div>
<div class="grid"><iframe class="as h20 mxw2"></iframe></div>
<div class="grid"><iframe class="an h20"></iframe></div>
<div class="grid"><iframe class="an h20 mxw10"></iframe></div>

<script>
var iframeSizes =
[
  ['30px', '2px'],
  ['30px', '2px'],
  ['30px', '2px'],
  ['10px', '2px'],
  ['30px', '2px'],
  ['2px', '2px'],
  ['30px', '20px'],
  ['10px', '20px'],
  ['30px', '150px'],
  ['10px', '150px'],
  ['30px', '20px'],
  ['10px', '20px'],
  ['30px', '20px'],
  ['10px', '20px'],
  ['30px', '2px'],
  ['10px', '2px'],
  ['30px', '150px'],
  ['10px', '150px'],
  ['30px', '2px'],
  ['10px', '2px'],
  ['30px', '2px'],
  ['2px', '2px'],
  ['2px', '30px'],
  ['2px', '30px'],
  ['2px', '30px'],
  ['2px', '30px'],
  ['2px', '30px'],
  ['2px', '30px'],
  ['2px', '30px'],
  ['2px', '30px'],
  ['20px', '30px'],
  ['20px', '10px'],
  ['300px', '30px'],
  ['300px', '10px'],
  ['300px', '30px'],
  ['300px', '10px'],
  ['300px', '30px'],
  ['20px', '10px'],
  ['2px', '30px'],
  ['2px', '10px'],
  ['300px', '30px'],
  ['300px', '10px'],
  ['300px', '30px'],
  ['10px', '10px'],
  ['10px', '30px'],
  ['300px', '10px'],
  ['20px', '2px'],
  ['20px', '2px'],
  ['20px', '2px'],
  ['20px', '2px'],
  ['20px', '2px'],
  ['20px', '2px'],
  ['20px', '2px'],
  ['20px', '2px'],
  ['20px', '30px'],
  ['20px', '10px'],
  ['20px', '30px'],
  ['20px', '10px'],
  ['20px', '30px'],
  ['20px', '10px'],
  ['20px', '30px'],
  ['20px', '10px'],
  ['30px', '20px'],
  ['10px', '20px'],
  ['30px', '20px'],
  ['10px', '20px'],
  ['30px', '20px'],
  ['10px', '20px'],
  ['30px', '20px'],
  ['10px', '20px'],
  ['2px', '20px'],
  ['2px', '20px'],
  ['2px', '20px'],
  ['2px', '20px'],
  ['2px', '20px'],
  ['2px', '20px'],
  ['2px', '20px'],
  ['2px', '20px'],
];
var iframes = document.querySelectorAll('iframe');
for (var i = 0; i < iframes.length; ++i) {
  var iframe = iframes[i];
  iframe.style.width = iframeSizes[i][0];
  iframe.style.height = iframeSizes[i][1];
}
</script>

</body>
</html>