css/css-grid/subgrid/grid-gap-003.html

<!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: subgrid with border-bottom and percentage gap</title>
  <link rel="author" title="Mats Palmgren" href="mailto:mats@mozilla.com">
  <link rel="help" href="https://drafts.csswg.org/css-grid-2">
  <link rel="match" href="grid-gap-003-ref.html">
  <style>
html,body {
  color:black; background-color:white; font:12px/1 monospace; padding:0; margin:0;
}

.grid {
  display: grid;
  grid: repeat(4, auto) / repeat(5, auto);
  place-content: start;
  border: 1px solid;
}

.subgrid {
  display: grid;
  grid: subgrid / auto auto;
  gap: 20% 20%;
  background: lightgrey;
  grid-column: 2 / span 5;
  grid-row: 2 / span 5;
  min-width:10px;
  min-height:0;
  border: 0 solid lightblue;
  border-bottom-width: 40px;
  background: grey;
}

.subgrid > * { background: lightgrey; }

x {
  min-width:10px;
  min-height:0px;
}
x:nth-child(2n+1) { background: silver; }
x:nth-child(2n+2) { background: magenta; }
x:nth-child(2n+3) { background: pink; }
x:nth-child(2n+4) { background: grey; }

e { display:block; width: 20px; height:15px; background:black; }

  </style>
</head>
<body>

<div class="grid">
<x style="grid-row:1"></x><x style="grid-row:2"></x><x style="grid-row:3"></x><x style="grid-row:4"></x><x style="grid-row:5"></x><x style="grid-row:6"></x>
<div class="subgrid">
<c><e></e></c>
<d><e></e></d>
<c><e></e></c>
<d><e></e></d>
</div>
</div>

</body>
</html>