<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Test Reference</title>
<link rel="author" title="Emilio Cobos Álvarez" href="mailto:[email protected]">
<style>
.container {
display: grid;
width: 300px;
height: 300px;
justify-items: center;
border: 2px solid purple;
}
.container > div {
width: 100px;
height: 100px;
background: blue;
justify-self: auto;
}
</style>
<p>Test passes if there's a blue square horizontally centered inside the box.</p>
<div class="container">
<div></div>
</div>