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>