<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Grid Layout Test: Aligning grid items using 'auto' margins and relative sized columns</title>
<link rel="author" title="Javier Fernandez Garcia-Boente" href="mailto:[email protected]">
<link rel="help" title="10.2 Aligning with auto margins" href="https://drafts.csswg.org/css-grid/#auto-margins">
<meta name="assert" content="The 'left' and 'right' margins must be recomputed whenever the grid items's width changes.">
<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
<style>
#grid {
display: grid;
position: relative;
background: grey;
font: 10px/1 Ahem;
grid-template-columns: 40% 60%;
grid-template-rows: 100px;
height: auto;
width: 500px;
align-items: start;
}
#grid div {
margin: 0px auto 0px auto;
}
#item1 {
color: green;
}
#item2 {
color: blue;
}
</style>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/check-layout-th.js"></script>
<div id="grid">
<div id="item1">XXXX</div>
<div id="item2">XX</div>
</div>
<script>
setup({ explicit_done: true });
document.fonts.ready.then(() => {
item1.setAttribute("data-offset-x", "80");
item2.setAttribute("data-offset-x", "340");
checkLayout('#grid', false);
grid.style.fontSize = "25px";
item1.setAttribute("data-offset-x", "50");
item2.setAttribute("data-offset-x", "325");
checkLayout('#grid', true);
});
</script>
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