body      {background-color: #ffffff;
           background-image: url(sin4-circle-lightest.jpg)}
a:active  {text-decoration: underline; color: #ff0000}
a:visited {text-decoration: none;      color: #990000}
a:link    {text-decoration: none;      color: #660000}
a:hover   {text-decoration: underline; color: #ff0000}