font {font-family:arial; font-size:small;}
a {text-decoration:none;}
a:hover {text-decoration:underline;}

#bg
{
  position:absolute;
  left:0;
  top:0;
}

#nav
{
  position:absolute;
  left:15;
  top:160;
}

#main
{
  position:absolute;
  left:160;
  top:0;
  z-index:300;
}