.class1 A:link {text-decoration: none; color: #CCCC33;}
.class1 A:visited {text-decoration: none; color: #CCCC33;}
.class1 A:active {text-decoration: none; color: #CCCC33;}
.class1 A:hover {text-decoration: none; color: white;}

.class2 A:link {text-decoration: underline}
.class2 A:visited {text-decoration: underline}
.class2 A:active {text-decoration: underline}
.class2 A:hover {text-decoration: underline; color: blue;}