a:link {
    color: #0000FF;
    background-color: #FFFFFF;
}

a:link:hover {
    color: #FFFFFF;
    background-color: #0000FF;
}

a:visited {
    color: #606060;
    background-color: #FFFFFF;
}

a:visited:hover {
    color: #FFFFFF;
    background-color: #606060;
}