a:link { font-family: Arial, Helvetica;   color: black; text-decoration: none; background-color: none}
a:visited { font-family: Arial, Helvetica,;  color: black ; text-decoration: none; background-color:none}
a:hover { font-family: Arial, Helvetica ; color: red	; text-decoration: none; background-color: ffe400}
a:active { font-family: Arial, Helvetica  ;color: white ; text-decoration: none; background-color: black}