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chromium/third_party/blink/web_tests/fast/block/positioning/vertical-lr/001.html 

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN" "http://www.w3.org/TR/REC-html40/strict.dtd"><html><head><title>Pure CSS Popups 2</title>

<style type="text/css">
html {-webkit-writing-mode: vertical-lr; }
body {background: black; margin: 0; padding: 0; }

a {display: block; background-color: green;
   padding: 10px 5px; margin: 0 1px 0; }

div { position:absolute; left: 190px; top: 55px; height: 50px; width: 50px; background-color: green; }
</style></head>

<body>

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