Example analysis:
##a:link {background-color:#B2FF99;} /* Unvisited link*/
a:visited {background-color:#FFFF85;} /* Visited link*/
a:hover {background-color:#FF704D; } /* Move the mouse to the link*/
a:active {background-color:#FF704D;} /* When the mouse is clicked*/
Use the background-color attribute to set different background colors in different states of the link. Next Section