body {font-weight:bold; font-family:Arial, Verdana, Helvetica, sans-serif;}
a {text-decoration:none;}
a:link {color:blue;}
a:active {color:blue;}
a:visited {color:blue;}
a:hover {color:white; background-color:black;}
td {text-align:center;}
h1, h2, h3, h4 {text-align:center;}