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<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<title>CSS Test: 'contain: size' on multicol elements should cause them to be sized as if they had no contents</title>
<link rel="author" title="Morgan Rae Reschenberg" href="mailto:mreschenberg@berkeley.edu">
<link rel="help" href="https://drafts.csswg.org/css-contain/#containment-size">
<link rel="match" href="contain-size-multicol-003-ref.html">
<style>
.contain {
contain: size;
border: 1em solid green;
background: red;
column-count: 3;
}
.innerContents {
color: transparent;
height: 100px;
width: 100px;
}
.col-width {
column-width: 20px;
}
.col-gap {
column-gap: 5px;
}
.flexBaselineCheck {
display: flex;
align-items: baseline;
}
.min {
width: min-content;
}
.max {
width: max-content;
}
</style>
</head>
<body>
<!-- This test verifies that contain:size doesn't interfere with the
determination of a multicol element's baseline. -->
<div class="flexBaselineCheck">
outside before
<div class="contain">
<div class="innerContents">inner</div>
</div>
outside after
</div>
<br>
<!--The following tests are used to ensure column-gaps and column-widths continue to contribute to the minimum and maximum width of a size-contained multicol element. Each should render as if it had no contents.-->
<div class="contain min col-width"><div class="innerContents">inner</div></div>
<br>
<div class="contain max col-width"><div class="innerContents">inner</div></div>
<br>
<div class="contain min col-gap col-width"><div class="innerContents">inner</div></div>
<br>
<div class="contain max col-gap col-width"><div class="innerContents">inner</div></div>
<br>
<div class="min">
<div class="contain">
<div class="innerContents">inner</div>
</div>
</div>
<br>
<div class="max">
<div class="contain">
<div class="innerContents">inner</div>
</div>
</div>
</body>
</html>
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