body {background-color: #CCCCCC}
a:link{color:black; text-decoration: none; font-weight: bold;}
a:visited{color:black; text-decoration: none; font-weight: bold;}
a:hover{color:black; background-color:yellow; text-decoration: none; font-weight: bold;}
a:active{color:black; text-decoration: none; font-weight: bold;}