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sousa-gecko/testing/web-platform/tests/css/css-grid/alignment/grid-calc-margins-explicit-row.html
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Sammy Gill 5f64638455 Bug 2053722 [wpt PR 61175] - WebKit export of https://bugs.webkit.org/show_bug.cgi?id=317983, a=testonly
Automatic update from web-platform-tests
WebKit export of https://bugs.webkit.org/show_bug.cgi?id=317983 (#61175)
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wpt-commits: eae0e01096bd41a6f4f0aecbf6aae14dd8d8a208
wpt-pr: 61175
2026-07-12 11:58:18 +00:00

29 lines
1.1 KiB
HTML

<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Grid Layout Test: calc() margin on a grid item with explicit row placement</title>
<link rel="author" title="Sammy Gill" href="mailto:sammy.gill@apple.com">
<link rel="help" title="6.4 Grid Item Margins and Paddings" href="https://drafts.csswg.org/css-grid/#item-margins">
<link rel="match" href="../reference/grid-calc-margins-explicit-row-ref.html">
<meta name="assert" content="A percentage in a calc() margin on a grid item resolves against the inline size of its containing block (the grid area).">
<style>
#grid {
display: grid;
background: grey;
grid-template-columns: 200px;
grid-template-rows: 100px;
}
#item {
grid-row: 1 / 2;
width: 50px;
height: 50px;
/* margin % resolves against the grid area inline size (200px):
30% -> 60px, + 10px -> 70px left offset. */
margin-left: calc(10px + 30%);
background: green;
}
</style>
<p>The test passes if the left edge of the green box is 70px from the left edge of the grey grid.</p>
<div id="grid">
<div id="item"></div>
</div>