#pbpnav li {
  /*float the main list items*/
  font-family: Verdana, Arial, Helvetica, sans-serif; float: left; display: block; font-size: 14px; font-weight: 600; padding: 5px 10px; }
  
#pbpnav li.off ul, #pbpnav li.on ul {
  /*put the subnavs below and hide them all*/
  display: none;
  position: absolute;
  top: 35px;
  left: 0;
}  

#pbpnav li a {
  /*for all links in the list*/
   color: #a0c9eb; text-decoration: none; display: block; width: auto; 
}


#pbpnav li.on ul {
  /*display active subnav list*/
  display: block; 
}

#pbpnav li.off:hover ul {
  /*  display the other topics when
      their parent is hovered */
  display: block;
  z-index: 6000;
}

#pbpnav li.off a:hover,
#pbpnav li:hover a,
#pbpnav li.over a {
  color: #fff;
}

#pbpnav li ul li a {
	font-weight:400;
	}