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<!DOCTYPE html>
<meta charset="utf-8">
<link rel="author" title="Ting-Yu Lin" href="mailto:tlin@mozilla.com">
<style>
@page { size: 5in 3in; margin: 0.5in; }
body {
margin: 0;
font-size: 0.25in;
}
.flexbox {
display: block;
border: 0.25in solid black;
}
.flexbox > div > div {
display: inline-block;
box-sizing: border-box;
width: 50%;
border: 4px solid purple;
}
.flexbox > .nested {
box-sizing: border-box;
width: 100%;
border: 4px solid gold;
}
</style>
<div>Before Flexbox</div>
<div class="flexbox">
<div class="flexbox nested">
<div>1</div><div>2</div>
<div>3</div><div>4</div>
</div>
<div class="flexbox nested" style="break-before: page">
<div>5</div><div>6</div>
<div>7</div><div>8</div>
</div>
</div>
<div>After Flexbox</div>