A:link {text-decoration: none; color: blue}
A:visited {text-decoration: none; color: darkblue}
A:hover {text-decoration: underline; color: red}

#uno:link {text-decoration: none; color: white}
#uno:visited {text-decoration: none; color: white}
#uno:hover {text-decoration: underline; color: cyan}

#dos:link {text-decoration: none; color: black}
#dos:visited {text-decoration: none; color: black}
#dos:hover {text-decoration: underline; color: blue}