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<!DOCTYPE html>
<link rel="help" href="https://drafts.css-houdini.org/css-layout-api/#layout-api-box-tree">
<link rel="match" href="box-tree-unregistered-ref.html">
<meta name="assert" content="This test checks that an unregistered layout() works the same as a normal flow-root." />
<style>
@supports (display: layout(unregistered)) {
.test {
display: layout(unregistered);
}
}
.container {
float: left;
margin: 20px 0;
border: solid 2px;
width: 100px;
}
.float {
float: left;
width: 100%;
height: 40px;
background: hotpink;
}
.inflow {
height: 40px;
background: hotpink;
}
</style>
<div class="container">
<!-- This tests that the "layout()" margins don't collapse with its children. -->
<div class="test" style="margin: 20px 0">
<div class="inflow" style="margin: 20px 0"></div>
</div>
</div>
<div class="container">
<!-- This tests that the "layout()" grows to fit child floats. -->
<div class="test">
<div class="float" style="margin: 40px 0"></div>
</div>
</div>
<div class="container">
<!-- This tests that a float does not intrude into "layout()" box. -->
<div class="float"></div>
<div class="test" style="width: 100%; height: 40px; background: green;"></div>
</div>
<div class="container">
<!-- This tests that margins in two "layout()" box children collapse as normally. -->
<div class="test" style="background: green;">
<div style="margin:100px 0;">
<div style="margin:100px 0;"></div>
</div>
<div style="margin:100px 0;">
<div style="margin:100px 0;"></div>
</div>
</div>
</div>
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