CSS placement
Three kinds of css placement in HTML.
External css
<head>
<link rel="stylesheet" type="text/css" href="mystyle.css" />
</head>
Internal css
<head>
<style type="text/css">
hr {color:red;}
p {margin-left:20px;}
body {background-image:url("images/backimg.gif");}
</style>
</head>
Inline css
<p style="color:black; margin-left:20px;">This is a paragraph.</p>
References