*
{
   margin: 0;
   padding: 0;
}
a, a:hover, a:visited
{
   color: gray;
   text-decoration: none;
}
body
{
   font-family: 'Trebuchet MS', 'Lucida Grande', Arial, Helvetica, sans-serif;
   color: gray;
}
#main
{
   margin: auto;
}
#footer
{
   position: fixed;
   bottom: 0px;
   right: 0px;
   text-align: right;
   height: 14px;
   font-size: 12px;
   padding: 8px 0 8px 0;
   z-index: 20;
}
#footer span
{
   padding: 8px;
}
.centered
{
   text-align: center;
}
.hidden
{
   visibility: none;
   display: none;
}