.a1              { color: #f99; font-size: 11px; font-family: sans-serif; font-weight: 500; line-height: 12px; text-decoration: none; letter-spacing: 1px; cursor: hand    }
.a1:hover           { color: #f30; font-size: 11px; font-family: sans-serif; font-weight: 600; text-decoration: none; letter-spacing: 1px; cursor: hand   }
.a3           { color: #9cf; font-size: 12px; font-family: sans-serif; text-decoration: none; letter-spacing: 1px; cursor: arrow  }
.a3b  { color: #9cf; font-size: 11px; font-family: sans-serif; text-decoration: none; letter-spacing: 1px; cursor: arrow  }
.a4            { color: white; font-size: 11px; font-family: sans-serif; text-decoration: none; letter-spacing: 1px; cursor: arrow   }
.a4b             { color: white; font-size: 12px; font-family: Verdana, Arial, Helvetica, sans-serif; line-height: 14px; text-decoration: none; letter-spacing: 1px; cursor: arrow   }
.b1 { cursor: hand }
.hidden { display: none; }