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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /css/css-multicol/multicol-span-auto-size-in-vertical-writing-mode-001.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<title>CSS Multicol Spanner Test: Implicit size of Column Spanner in Vertical Writing Modes</title>
<link rel="author" title="David Shin" href="mailto:dshin@mozilla.com">
<link rel="match" href="../reference/ref-filled-green-100px-square.xht">
<style>
.flex {
display: flex;
}
.multicol {
width: 50px;
height: 100px;
columns: 2;
column-gap: 0;
column-fill: auto;
background: red;
}
.spanner {
column-span: all;
block-size: 50px;
background: green;
}
.filler {
width: 10px;
height: 10px;
}
</style>
<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
<div class=flex>
<div class=multicol style="writing-mode: vertical-rl;">
<div class=spanner></div>
<div class=filler></div>
</div>
<div class=multicol style="writing-mode: vertical-lr;">
<div class=spanner></div>
<div class=filler></div>
</div>
</div>