body {background-color: lightblue;}
div.main {background-color: white;position:relative;width:500;height:auto;;left:0;right0;margin-left:auto;margin-right:auto;border:thin black solid;padding:5px;}

hr {border: none; border-bottom: thin gray solid;}

a {text-decoration: none;color: black;}
a:active {color: black;}
a:visited {color: black;}
a:hover {text-decoration: underline;color: black;}
a.dimmed {color: gray;font-size: 8pt;}