<!DOCTYPE HTML>
<head>
<meta charset="UTF-8">
<title>CSS Test: dynamic changes to offset properties</title>
<link rel="author" title="L. David Baron" href="https://dbaron.org/">
<link rel="author" title="Mozilla" href="https://www.mozilla.org/">
<link rel="help" href="https://drafts.csswg.org/css-writing-modes-3/#vertical-layout">
<link rel="match" href="dynamic-offset-rtl-001-ref.html">
<meta name="flags" content="dom">
<meta name="assert" content="Layout rules for 'right' and 'left' are handled correctly 