body, table, tr, td {
   background-color: #ffffcc;
  }
  
  a:link {
   color: #000099;
   text-decoration: underline;
  }

  a:visited {
   color: #663366;
  }

  a:hover {
   color:#007FFF;
   text-decoration: none;
   background-color: #FFFF00;
  }
  
  .center {
   text-align: center;
  }