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- This WPT test may be referenced by the following Test IDs:
- /css/css-flexbox/negative-margins-001.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Flexible Box Test: Negative margins</title>
<link rel="match" href="reference/negative-margins-001-ref.html">
<meta name="assert" content="Tests that for intrinsic size computations,
an item may take up less than zero space when it has negative margins.">
<style>
.container {
width: 40px;
background-color: red;
line-height: 0px;
border: 3px black solid;
}
.flex {
display: inline-flex;
background-color: green;
}
.item {
width: 20px;
height: 10px;
background-color: green;
}
.first {
width: 40px;
}
.neg-marg {
margin-left: -40px;
}
</style>
<body>
<p>You should see a green rectangle with a black border, 40px wide. You should see no red.</p>
<div class="container">
<div class="flex">
<div class="item first"></div>
<div class="item neg-marg"></div>
<div class="item"></div>
</div>
</div>
</body>