body { color: yellow; background: black; }

.cab {color: yellow; background: red;}
.lk { background: red;}

a:link {color:white; text-decoration: none;}
a:visited {color:white;text-decoration: none;}
a:focus {color:olive;text-decoration: none;}
a:hover {color:blue;text-decoration: none;}
a:active {color:green;text-decoration: none;}