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<!DOCTYPE HTML>
<!--
Any copyright is dedicated to the Public Domain.
-->
<!-- WARNING: The interaction of writing-mode and min-content sizing seems to be a bit hazy. It's not clear if this is a correct reference. -->
<html>
<meta charset="utf-8">
<title>Reference: Masonry layout min-content sizing</title>
<link rel="author" title="Mats Palmgren" href="mailto:mats@mozilla.com">
<style>
@import "support/masonry-intrinsic-sizing-visual.css";
grid {
display: inline-grid;
gap: 1px 2px;
grid-auto-flow: column;
border: 1px solid;
padding: 1px 0 2px 0;
vertical-align: top;
height: min-content;
}
.auto grid {
grid-template-rows: repeat(4,auto);
}
.fr grid {
grid-template-rows: 1fr 2fr 1fr 1fr;
}
.mix1 grid {
grid-template-rows: 1fr 2fr min-content max-content;
}
.mix2 grid {
grid-template-rows: 1.1ch auto 1.4ch 1fr;
/* keep fixed values small enough for spanners to have an effect */
}
item {
justify-self: start;
writing-mode: vertical-rl;
text-orientation: sideways;
}
.hidden {
visibility: hidden;
width: 0;
}
</style>
<body>
<section class="auto">
<grid>
<item style="height:2ch">1</item>
<item style="grid-column: span 2">2 2</item>
<item style="grid-column: span 2">3 3</item>
<item>4</item>
<item style="grid-column: span 2">5 5</item>
<item class="hidden" style="grid-area: 4/2">0 0</item>
</grid>
<grid>
<item>1</item>
<item style="grid-column: span 2">2 2</item>
<item style="grid-column: span 2">3 3</item>
<item>4</item>
<item style="grid-column: span 2">5 5</item>
<item class="hidden" style="grid-area: 4/2">0 0</item>
</grid>
<grid>
<item>1</item>
<item style="grid-column: span 2">2 2</item>
<item style="grid-column: span 2">3 3</item>
<item style="grid-area: 1/2">4</item>
<item style="height:2ch; grid-area: 2/1/3/3">5 5</item>
<item class="hidden" style="grid-area: 1/2">0 0</item>
<item class="hidden" style="grid-area: 2/1">0 0</item>
</grid>
<grid>
<item>1</item>
<item style="grid-column: span 2">2 2</item>
<item style="grid-column: span 2">3 3</item>
<item>4</item>
<item style="height:4ch; grid-area: 2/1/4/auto">5 5</item>
<item class="hidden" style="grid-area: 2/1">0 0</item>
<item class="hidden" style="grid-area: 3/2">0 0</item>
</grid>
<grid>
<item style="grid-row: 4">1</item>
<item style="grid-column: span 2">2 2</item>
<item style="grid-column: span 2">3 3</item>
<item>4</item>
<item style="grid-area: 2/1/4/2">5 5</item>
<item style="height:5ch; grid-area: 1/2/4/3">6</item>
<item class="hidden" style="grid-area: 3/3">0</item>
<item class="hidden" style="grid-area: 2/1">0 0</item>
<item class="hidden" style="grid-area: 3/1">0 0</item>
</grid>
<grid>
<item style="grid-row: 4">1</item>
<item style="grid-column: span 2">2 2</item>
<item style="grid-column: span 2">3 3</item>
<item>4</item>
<item style="height:3ch; grid-area: 2/1/4/2">5 5</item>
<item style="height:5ch; grid-area: 1/2/4/3">6</item>
<item class="hidden" style="grid-area: 2/1">0 0</item>
<item class="hidden" style="grid-area: 3/1">0 0</item>
</grid>
<grid>
<item>1</item>
<item style="grid-column: span 2">2 2</item>
<item style="grid-column: span 2">3 3</item>
<item>4</item>
<item style="grid-area: 1/3/5/4">5 5</item>
<item class="hidden" style="grid-area: 1/3">0 0</item>
<item class="hidden" style="grid-area: 3/3">0 0</item>
</grid>
<grid>
<item>1</item>
<item style="grid-column: span 2">2 2</item>
<item style="grid-column: span 2">3 3</item>
<item>4</item>
<item style="height:6ch; grid-area: 1/3/5/4">5 5</item>
<item class="hidden" style="grid-area: 1/3">0 0</item>
<item class="hidden" style="grid-area: 4/3">0 0</item>
</grid>
<grid>
<item>1</item>
<item style="grid-column: span 2">2 2</item>
<item style="grid-column: span 2">3 3</item>
<item>4</item>
<item style="height:6ch; grid-area: 1/3/4/4">5 5</item>
<item class="hidden" style="grid-area: 1/3">0 0</item>
<item class="hidden" style="grid-area: 4/3">0 0</item>
<item class="hidden" style="height:6ch; grid-area: 2/3/5/4">0 0</item>
</grid>
</section>
<!-- ditto with 'fr' sizing -->
<section class="fr">
<grid>
<item style="height:2ch">1</item>
<item style="grid-column: span 2">2 2</item>
<item style="grid-column: span 2">3 3</item>
<item>4</item>
<item style="grid-column: span 2">5 5</item>
<item class="hidden" style="grid-area: 4/2">0 0</item>
</grid>
<grid>
<item>1</item>
<item style="grid-column: span 2">2 2</item>
<item style="grid-column: span 2">3 3</item>
<item>4</item>
<item style="grid-column: span 2">5 5</item>
<item class="hidden" style="grid-area: 4/2">0 0</item>
</grid>
<grid>
<item>1</item>
<item style="grid-column: span 2">2 2</item>
<item style="grid-column: span 2">3 3</item>
<item style="grid-area: 1/2">4</item>
<item style="height:2ch; grid-area: 2/1/3/3">5 5</item>
<item class="hidden" style="grid-area: 1/2">0 0</item>
<item class="hidden" style="grid-area: 2/1">0 0</item>
</grid>
<grid>
<item>1</item>
<item style="grid-column: span 2">2 2</item>
<item style="grid-column: span 2">3 3</item>
<item>4</item>
<item style="height:4ch; grid-area: 2/1/4/auto">5 5</item>
<item class="hidden" style="grid-area: 2/1">0 0</item>
<item class="hidden" style="grid-area: 3/2">0 0</item>
</grid>
<grid>
<item style="grid-row: 4">1</item>
<item style="grid-column: span 2">2 2</item>
<item style="grid-column: span 2">3 3</item>
<item>4</item>
<item style="grid-area: 2/1/4/2">5 5</item>
<item style="height:5ch; grid-area: 1/2/4/3">6</item>
<item class="hidden" style="grid-area: 3/3">0</item>
<item class="hidden" style="grid-area: 2/1">0 0</item>
<item class="hidden" style="grid-area: 3/1">0 0</item>
</grid>
<grid>
<item style="grid-row: 4">1</item>
<item style="grid-column: span 2">2 2</item>
<item style="grid-column: span 2">3 3</item>
<item>4</item>
<item style="height:3ch; grid-area: 2/1/4/2">5 5</item>
<item style="height:5ch; grid-area: 1/2/4/3">6</item>
<item class="hidden" style="grid-area: 2/1">0 0</item>
<item class="hidden" style="grid-area: 3/1">0 0</item>
</grid>
<grid>
<item>1</item>
<item style="grid-column: span 2">2 2</item>
<item style="grid-column: span 2">3 3</item>
<item>4</item>
<item style="grid-area: 1/3/5/4">5 5</item>
<item class="hidden" style="grid-area: 1/3">0 0</item>
<item class="hidden" style="grid-area: 3/3">0 0</item>
</grid>
<grid>
<item>1</item>
<item style="grid-column: span 2">2 2</item>
<item style="grid-column: span 2">3 3</item>
<item>4</item>
<item style="height:6ch; grid-area: 1/3/5/4">5 5</item>
<item class="hidden" style="grid-area: 1/3">0 0</item>
<item class="hidden" style="grid-area: 4/3">0 0</item>
</grid>
<grid>
<item>1</item>
<item style="grid-column: span 2">2 2</item>
<item style="grid-column: span 2">3 3</item>
<item>4</item>
<item style="height:6ch; grid-area: 1/3/4/4">5 5</item>
<item class="hidden" style="grid-area: 1/3">0 0</item>
<item class="hidden" style="grid-area: 4/3">0 0</item>
<item class="hidden" style="height:6ch; grid-area: 2/3/5/4">0 0</item>
</grid>
</section>
<!-- ditto with mixed sizing: fr + min/max-content -->
<section class="mix1">
<grid>
<item style="height:2ch">1</item>
<item style="grid-column: span 2">2 2</item>
<item style="grid-column: span 2">3 3</item>
<item>4</item>
<item style="grid-column: span 2">5 5</item>
<item class="hidden" style="grid-area: 4/2">0 0</item>
</grid>
<grid>
<item>1</item>
<item style="grid-column: span 2">2 2</item>
<item style="grid-column: span 2">3 3</item>
<item>4</item>
<item style="grid-column: span 2">5 5</item>
<item class="hidden" style="grid-area: 4/2">0 0</item>
</grid>
<grid>
<item>1</item>
<item style="grid-column: span 2">2 2</item>
<item style="grid-column: span 2">3 3</item>
<item style="grid-area: 1/2">4</item>
<item style="height:2ch; grid-area: 2/1/3/3">5 5</item>
<item class="hidden" style="grid-area: 1/2">0 0</item>
<item class="hidden" style="grid-area: 2/1">0 0</item>
</grid>
<grid>
<item>1</item>
<item style="grid-column: span 2">2 2</item>
<item style="grid-column: span 2">3 3</item>
<item>4</item>
<item style="height:4ch; grid-area: 2/1/4/auto">5 5</item>
<item class="hidden" style="grid-area: 2/1">0 0</item>
<item class="hidden" style="grid-area: 3/2">0 0</item>
</grid>
<grid>
<item style="grid-row: 4">1</item>
<item style="grid-column: span 2">2 2</item>
<item style="grid-column: span 2">3 3</item>
<item>4</item>
<item style="grid-area: 2/1/4/2">5 5</item>
<item style="height:5ch; grid-area: 1/2/4/3">6</item>
<item class="hidden" style="grid-area: 2/1">0 0</item>
<item class="hidden" style="grid-area: 3/1">0 0</item>
</grid>
<grid>
<item style="grid-row: 4">1</item>
<item style="grid-column: span 2">2 2</item>
<item style="grid-column: span 2">3 3</item>
<item>4</item>
<item style="height:3ch; grid-area: 2/1/4/2">5 5</item>
<item style="height:5ch; grid-area: 1/2/4/3">6</item>
<item class="hidden" style="grid-area: 2/1">0 0</item>
<item class="hidden" style="grid-area: 3/1">0 0</item>
</grid>
<grid>
<item>1</item>
<item style="grid-column: span 2">2 2</item>
<item style="grid-column: span 2">3 3</item>
<item>4</item>
<item style="grid-area: 1/3/5/4">5 5</item>
<item class="hidden" style="grid-area: 1/3">0 0</item>
<item class="hidden" style="grid-area: 3/3">0 0</item>
</grid>
<grid>
<item>1</item>
<item style="grid-column: span 2">2 2</item>
<item style="grid-column: span 2">3 3</item>
<item>4</item>
<item style="height:6ch; grid-area: 1/3/5/4">5 5</item>
<item class="hidden" style="grid-area: 1/3">0 0</item>
<item class="hidden" style="grid-area: 4/3">0 0</item>
</grid>
<grid>
<item>1</item>
<item style="grid-column: span 2">2 2</item>
<item style="grid-column: span 2">3 3</item>
<item>4</item>
<item style="height:6ch; grid-area: 1/3/4/4">5 5</item>
<item class="hidden" style="grid-area: 1/3">0 0</item>
<item class="hidden" style="grid-area: 4/3">0 0</item>
<item class="hidden" style="height:6ch; grid-area: 2/3/5/4">0 0</item>
</grid>
</section>
<!-- ditto with mixed sizing: fixed + auto + fr -->
<section class="mix2">
<grid>
<item style="height:2ch">1</item>
<item style="grid-column: span 2">2 2</item>
<item style="grid-column: span 2">3 3</item>
<item>4</item>
<item style="grid-column: span 2">5 5</item>
<item class="hidden" style="grid-area: 4/2">0 0</item>
</grid>
<grid>
<item>1</item>
<item style="grid-column: span 2">2 2</item>
<item style="grid-column: span 2">3 3</item>
<item>4</item>
<item style="grid-column: span 2">5 5</item>
<item class="hidden" style="grid-area: 4/2">0 0</item>
</grid>
<grid>
<item>1</item>
<item style="grid-column: span 2">2 2</item>
<item style="grid-column: span 2">3 3</item>
<item style="grid-area: 1/2">4</item>
<item style="height:2ch; grid-area: 2/1/3/3">5 5</item>
<item class="hidden" style="grid-area: 1/2">0 0</item>
<item class="hidden" style="grid-area: 2/1">0 0</item>
</grid>
<grid>
<item>1</item>
<item style="grid-column: span 2">2 2</item>
<item style="grid-column: span 2">3 3</item>
<item>4</item>
<item style="height:4ch; grid-area: 2/1/4/auto">5 5</item>
<item class="hidden" style="grid-area: 2/1">0 0</item>
<item class="hidden" style="grid-area: 3/2">0 0</item>
</grid>
<grid>
<item style="grid-row: 4">1</item>
<item style="grid-column: span 2">2 2</item>
<item style="grid-column: span 2">3 3</item>
<item>4</item>
<item style="grid-area: 2/1/4/2">5 5</item>
<item style="height:5ch; grid-area: 1/2/4/3">6</item>
<item class="hidden" style="grid-area: 2/1">0 0</item>
<item class="hidden" style="grid-area: 3/1">0 0</item>
</grid>
<grid>
<item style="grid-row: 4">1</item>
<item style="grid-column: span 2">2 2</item>
<item style="grid-column: span 2">3 3</item>
<item>4</item>
<item style="height:3ch; grid-area: 2/1/4/2">5 5</item>
<item style="height:5ch; grid-area: 1/2/4/3">6</item>
<item class="hidden" style="grid-area: 2/1">0 0</item>
</grid>
<grid>
<item>1</item>
<item style="grid-column: span 2">2 2</item>
<item style="grid-column: span 2">3 3</item>
<item>4</item>
<item style="grid-area: 1/3/5/4">5 5</item>
<item class="hidden" style="grid-area: 4/3">0 0</item>
</grid>
<grid>
<item>1</item>
<item style="grid-column: span 2">2 2</item>
<item style="grid-column: span 2">3 3</item>
<item>4</item>
<item style="height:6ch; grid-area: 1/3/5/4">5 5</item>
<item class="hidden" style="grid-area: 4/3">0 0</item>
</grid>
<grid>
<item>1</item>
<item style="grid-column: span 2">2 2</item>
<item style="grid-column: span 2">3 3</item>
<item>4</item>
<item style="height:6ch; grid-area: 1/3/4/4">5 5</item>
<item class="hidden" style="grid-area: 4/3">0 0</item>
<item class="hidden" style="height:6ch; grid-area: 2/3/5/4">0 0</item>
</grid>
</section>