Comparing em to Pixels : measurement : Style Basics HTML CSS TUTORIALS

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Comparing em to Pixels


 
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
                      "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns='http://www.w3.org/1999/xhtml' xml:lang='en'>
    <head>
        <meta http-equiv='Content-Type' content='text/html; charset=UTF-8' />
        <title>Em Measurement Comparison to Pixels</title>
        <style type='text/css'>
            p {
                background: pink;
                border: 1px solid black;
            }
            p#em-measurement {
                width: 12em;
                padding: 1em;
            }
            p#px-measurement {
                width: 192px;
                padding: 16px;
            }
        </style>
    </head>
    <body>
        <p id='em-measurement'>
            This paragraph is 12em wide, with a 1em padding.
        </p>
        <p id='px-measurement'>
            This paragraph is 192 pixels wide, with 16 pixels of
            padding.
        </p>
    </body>
</html>