Use this element to insert some content before an element. The following example demonstrates how to use the :before element to add some content to any element.
Example
<html>
<head>
<style>
p:before
{
content: url(/https/www.wsxdn.com/images/bullet.gif)
}
</style>
</head>
<body>
<p> This line will be preceded by a bullet.</p>
<p> This line will be preceded by a bullet.</p>
<p> This line will be preceded by a bullet.</p>
</body>
</html>