<!doctype html>
<title>CSS Container Queries Test: Multicol inside size container</title>
<link rel="help" href="https://drafts.csswg.org/css-conditional-5/#size-container">
<link rel="match" href="/css/reference/ref-filled-green-100px-square-only.html">
<style>
#container {
container-type: size;
width: 200px;
height: 100px;
}
@container (width <= 200px) {
#multicol {
column-count: 2;
column-gap: 0;
}
}
#green {
display: inline-block;
width: 100%;
height: 100px;
background-color: green;
vertical-align: bottom;
}
</style>
<p>Test passes if there is a filled green square.</p>
<div id="container">
<div id="multicol"><div id="green"></div></div>
</div>