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<!DOCTYPE html>
<html lang="en-US">
<head>
<title>CSS Reference: CSS 2.1 replaced element sizing</title>
<meta name="flags" content="should"> <!-- undefinedness in 10.3.2 -->
<style type="text/css">
div { width: 200px }
span {
display: inline-block;
width: 80px;
height: 40px;
}
</style>
</head>
<body>
<div>
<span style="background: black;"></span>, <!-- height-25-width-50 -->
<span style="background: fuchsia;"></span>, <!-- height-25-ratio-2 -->
<span style="background: silver;"></span>, <!-- width-50-ratio-2 -->
<span style="background: blue; width: 300px"></span>, <!-- height-25-no-ratio -->
<span style="background: orange; width: 50px; height: 150px"></span>, <!-- width-50-no-ratio -->
<span style="background: gray; width: 200px; height: 100px"></span>, <!-- ratio-2 -->
<span style="background: aqua; width: 300px; height: 150px"></span>. <!-- no-ratio -->
</div>
</body>
</html>