a:link {text-decoration: underline;}
a:visited {text-decoration: underline;}
a:active {text-decoration: underline;}
a:hover {text-decoration: none;}

.link:link {text-decoration: underline;}
.link:visited {text-decoration: underline;}
.link:active {text-decoration: underline;}
.link:hover {text-decoration: none;}

.inv_link:link {text-decoration: none;}
.inv_link:visited {text-decoration: none;}
.inv_link:active {text-decoration: none;}
.inv_link:hover {text-decoration: underline;}

.nounder:link {text-decoration: none}
.nounder:visited {text-decoration: none}
.nounder:active {text-decoration: none}
.nounder:hover {text-decoration: none;}