Live Demo: set-width-and-height-of-an-element

Code Editor

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>CSS Set Width and Height of an Element</title>
<style>
    div {
        width: 300px;
        height: 200px;
        background: #eee8aa;
    }
</style>
</head>
<body>
    <div>Play with the values to see how it works!</div>
</body>
</html> 

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