css/css-grid/abspos/grid-positioned-items-gaps-002.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Grid Layout Test: Grid positioned items percentage and calc() gaps</title>
<link rel="author" title="Manuel Rego Casasnovas" href="mailto:rego@igalia.com">
<link rel="help" href="https://drafts.csswg.org/css-grid-1/#abspos">
<link rel="help" href="https://drafts.csswg.org/css-grid-1/#gutters">
<meta name="assert" content="This test checks the behavior of the positioned items in a grid container with percentage and calc() gaps.">
<link rel="stylesheet" href="/css/support/grid.css">
<style>

.grid {
  grid-template-columns: 100px 100px 100px 100px;
  grid-template-rows: 50px 50px 50px 50px;
  width: 800px;
  height: 600px;
  border: 5px solid black;
  margin: 30px;
  padding: 15px;
  /* Ensures that the grid container is the containing block of the absolutely positioned grid children. */
  position: relative;
}

.grid > div {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: lime;
}

</style>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/check-layout-th.js"></script>

<body onload="checkLayout('.grid')">

<div id="log"></div>

<div class="grid" style="gap: 10%;">
  <div style="grid-column: 2 / 4; grid-row: 2 / 4;"
    data-offset-x="195" data-offset-y="125" data-expected-width="280" data-expected-height="160">
  </div>
</div>

<div class="grid" style="gap: calc(10% + 25px);">
  <div style="grid-column: 2 / 4; grid-row: 2 / 4;"
    data-offset-x="220" data-offset-y="150" data-expected-width="305" data-expected-height="185">
  </div>
</div>

</body>