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+<!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 Test: fit-content() track sizing</title>
+  <link rel="author" title="Mats Palmgren" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1281320">
+  <link rel="help" href="https://drafts.csswg.org/css-grid/#valdef-grid-template-columns-fit-content">
+  <link rel="match" href="grid-track-fit-content-sizing-001-ref.html">
+  <style type="text/css">
+body,html { color:black; background:white; font-size:1px; padding:0; margin:0; }
+
+.grid {
+  display: grid;
+  grid-template-rows: auto auto;
+  position: relative;
+  border: 1px solid;
+}
+
+.c1 { grid-template-columns: fit-content(40%) minmax(100px, 1fr); }
+.c2 { grid: auto 10px / fit-content(40%) 0 minmax(100px, 1fr); }
+.c3 { grid: auto 10px / fit-content(40%) fit-content(40%) minmax(0px, 1fr); }
+.c4 { grid: auto 10px / fit-content(40%) 100px minmax(100px, 1fr); }
+.c5 { grid: auto 10px / fit-content(40%) minmax(0, 1fr) minmax(100px, 1fr); }
+.c6 { grid: auto 10px / fit-content(calc(1px - 99%)) minmax(0, 1fr) minmax(100px, 1fr); }
+.c7 { grid: auto 10px / none; grid-auto-columns: fit-content(40%); }
+
+span { line-height:0; grid-column:span 2; background: lime; }
+.c1 span { grid-column:span 1; }
+
+a {
+  display: inline-block;
+  width: 50px;
+  height: 1px;
+}
+
+y {
+  position: absolute;
+  left:0; right:0; top:0; bottom:0;
+  grid-area: 2/2/3/3;
+  height: 1px;
+  background: grey;
+}
+  </style>
+</head>
+<body>
+
+<div class="grid c1"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+<div class="grid c2"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+<div class="grid c3"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+<div class="grid c4"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+<div class="grid c5"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+<div class="grid c6"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+
+<div style="width:502px">
+<div class="grid c1"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+<div class="grid c2"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+<div class="grid c3"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+<div class="grid c4"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+<div class="grid c5"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+<div class="grid c6"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+</div>
+
+<div style="width:442px">
+<div class="grid c1"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+<div class="grid c2"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+<div class="grid c3"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+<div class="grid c4"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+<div class="grid c5"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+</div>
+
+<div style="width:382px">
+<div class="grid c1"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+<div class="grid c2"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+<div class="grid c3"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+<div class="grid c4"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+<div class="grid c5"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+</div>
+
+<div style="width:322px">
+<div class="grid c1"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+<div class="grid c2"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+<div class="grid c3"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+<div class="grid c4"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+<div class="grid c5"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+</div>
+
+<div style="width:262px">
+<div class="grid c1"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+<div class="grid c2"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+<div class="grid c3"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+<div class="grid c4"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+<div class="grid c5"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+</div>
+
+<div style="width:202px">
+<div class="grid c1"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+<div class="grid c2"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+<div class="grid c3"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+<div class="grid c4"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+<div class="grid c5"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+<div class="grid c7"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+</div>
+
+<div style="width:142px">
+<div class="grid c1"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+<div class="grid c2"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+<div class="grid c3"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+<div class="grid c4"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+<div class="grid c5"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+</div>
+
+<div style="width:82px">
+<div class="grid c1"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+<div class="grid c2"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+<div class="grid c3"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+<div class="grid c4"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+<div class="grid c5"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+</div>
+
+<div style="width:22px">
+<div class="grid c1"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+<div class="grid c2"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+<div class="grid c3"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+<div class="grid c4"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+<div class="grid c5"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+<div class="grid c6"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+</div>
+
+<div style="width:2px">
+<div class="grid c1"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+<div class="grid c2"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+<div class="grid c3"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+<div class="grid c4"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+<div class="grid c5"><span><a></a><a></a><a></a><a></a></span><y></y></div>
+</div>
+
+</body>
+</html>