<!DOCTYPE html>
<html>
<meta charset="utf-8">
<title>CSS Multi-column Layout Test: Test the column rules' block-size with nested balancing multicol container</title>
<link rel="author" title="Ting-Yu Lin" href="mailto:[email protected]">
<link rel="author" title="Mozilla" href="https://www.mozilla.org/">
<link rel="help" href="https://drafts.csswg.org/css-multicol-1/#cf">
<link rel="help" href="https://drafts.csswg.org/css-multicol-1/#column-gaps-and-rules">
<link rel="help" href="https://github.com/w3c/csswg-drafts/issues/2309">
<link rel="match" href="multicol-rule-nested-balancing-004-ref.html">
<meta name="assert" content="This test verifies that the column-rules are extended to the content block-end edges of their corresponding inner and outer multicol container.">
<style>
.outer {
column-count: 1;
column-rule: 6px solid black;
background-color: rgba(0, 0, 255, 0.3);
width: 200px;
height: 300px;
}
.inner {
column-count: 1;
column-rule: 3px solid gray;
background-color: rgba(255, 0, 255, 0.3);
height: 500px;
}
.inner-block {
background-color: rgba(0, 255, 0, 0.3);
height: 600px;
}
</style>
<!-- It is deliberate that the inner column's block-size is greater than
outer column's, and the inner-block's block-size is also greater than
inner column's. -->
<article class="outer">
<article class="inner">
<div class="inner-block"></div>
</article>
</article>
</html>
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