<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Grid Layout Test: 'z-index' property controls the grid items stacking order</title>
<link rel="author" title="Manuel Rego Casasnovas" href="mailto:[email protected]">
<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.html">
<meta name="flags" content="ahem">
<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
<style>
#grid {
display: grid;
font: 100px/1 Ahem;
grid-template-columns: 25px 25px 25px 25px;
grid-template-rows: 25px 25px 25px 25px;
}
#blue {
color: blue;
z-index: -1;
grid-column: 2;
grid-row: 2;
margin-top: -25px;
margin-left: -25px;
}
#yellow {
color: yellow;
grid-column: 4;
grid-row: 4;
margin-top: -50px;
margin-left: -50px;
}
#green {
color: green;
z-index: 1;
grid-column: 1;
grid-row: 1;
margin-top: 50px;
margin-left: 50px;
}
</style>
<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="grid">
<div id="green">G</div>
<div id="yellow">Y</div>
<div id="blue">B</div>
</div>