body    {font-family: Tahoma;}
p, li   {font-size: .8em;}
a       {color: #0000FF}

#tbmain {border: 1px solid black; width: 700px; margin-left: auto; margin-right: auto;}
#tbhead {border: 1px solid black; width: 100%;}
#tbnav  {font-size: .8em; font-family: Verdana, Arial, sans-serif;
         font-weight: bold; width: 100%; border-left: 1px solid black;
         border-right: 1px solid black;}
#tbnav td {border: 1px solid black; text-align: center;}
#tbnav a  {text-decoration: none; color: #000000;}
#tbcontent {border: 1px solid black; width: 100%;}
#tbcontent td {padding: 20px;}

.center {text-align: center;}
.heading {font-size: 1.1em; font-family: Tahoma; font-weight: bold;}