<!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-003-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: 2;
column-rule: 6px solid black;
width: 400px;
height: 250px;
}
.inner {
column-count: 2;
column-rule: 3px solid gray;
height: 400px;
}
.inner-block {
background-color: lightblue;
height: 800px;
}
</style>
<article class="outer">
<article class="inner">
<div class="inner-block"></div>
</article>
</article>
</html>
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