body {font-family:Arial; color: #0000FF; background-color: #FFDC00;}
body.foto {font-family:Arial; color: #ffdc00; background-color: #000000;}
body.foto:visited { color:#FFFF00 }

a.button {display:block; margin-bottom:5px; text-align:left; width:27ex;
       border-style:ridge; border-width:3px; padding:2px; text-decoration:none;
       vertical-align:top;}
a.button:link    { color:#FFDC00; background-color:#0000C0; }
a.button:visited { color:#0000FF; background-color:#FFDC00; }
a.button:hover   { color:#0000FF; background-color:#FFFF88; }
a.button:active  { color:#0000FF; background-color:#FFDc00; }

a.button0 { display:block; margin-bottom:5px; text-align:center;
         border-style:ridge; border-width:3px; padding:2px; text-decoration:none}
a.button0:link    { color:#ffdc00; background-color:#AFAFAF; }
a.button0:visited { color:#ffdc00; background-color:transparent; }
a.button0:hover   { color:#0000FF; background-color:#FFFF00; }
a.button0:active  { color:#0000FF; background-color:#FFDF00; }