servo/tests/wpt/css-tests/css-grid-1_dev/xhtml1/grid-inline-z-axis-ordering-overlapped-items-003.xht

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>CSS Grid Layout Test: 'z-index' property controls the grid items stacking order within an inline grid</title>
<link rel="author" title="Manuel Rego Casasnovas" href="mailto:rego@igalia.com" />
<link rel="help" href="http://www.w3.org/TR/css-grid-1/#z-order" title="4.4. Z-axis Ordering: the z-index property" />
<link rel="match" href="reference/grid-filled-blue-yellow-green-overlapped-100px-squares.xht" />
<meta name="flags" content="ahem" />
<style type="text/css"><![CDATA[
#inline-grid {
display: inline-grid;
font: 100px/1 Ahem;
grid-template-columns: 25px 25px 25px 25px;
grid-template-rows: 25px 25px 25px 25px;
}
#blue {
color: blue;
z-index: -10;
grid-column: 1;
grid-row: 1;
}
#yellow {
color: yellow;
z-index: -5;
grid-column: 2;
grid-row: 2;
}
#green {
color: green;
z-index: -1;
grid-column: 3;
grid-row: 3;
}
]]></style>
</head>
<body>
<p>Test passes if there are 3 filled squares with the same size, and <strong>green</strong> is overlapping <strong>yellow</strong> which is overlapping <strong>blue</strong>.</p>
<div id="inline-grid">
<div id="green">G</div>
<div id="yellow">Y</div>
<div id="blue">B</div>
</div>
</body>
</html>