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<!DOCTYPE html>
<link rel="author" title="Mats Palmgren" href="mailto:mats@mozilla.com">
<meta name="flags" content="paged">
<html>
<style>
@page {
size: 5in 3in;
margin: 0.5in;
}
html,body {
color:black; background-color:white; font:20px/1 monospace; padding:0; margin:0;
writing-mode: vertical-rl;
}
html { block-size: 40vw; }
.b {
box-sizing: border-box;
inline-size: 50vh;
border: 5px solid black;
border-block-start-color: blue;
border-inline-start-color: lime;
margin-inline-start: 20px;
}
.b1 {
block-size: 100vw;
border-block-end-style: none;
}
.b2 {
block-size: 100vw;
border-block-start-style: none;
border-block-end-style: none;
}
.b3 {
block-size: 10vw;
border-block-start-style: none;
margin-block-end: -20px;
}
</style>
<body>
<div class="b b1"></div>
<div class="b b2"></div>
<div class="b b3"></div>
</body>
</html>