Active

Syntax: A : active {value}
Possible Values : any font manipulating declaration
Initial Value : Not defined
Applies to: anchor element
Inherited : Yes

The active pseudo-class is used to add effects to a link when active (e.g. on mouse click)

Example:

a:active {color:red; font-size:130%}


This link will have a red color with an 130% font size, when you click on the link.