body{
  text-align: center;
  margin: 0;
  padding: 0;
}
#masthead{
	background-image: url(file:///L|/Irene/Copy (11) of DreamWtesting/images/1000_stevens-johnson-syndro.gif);
	background-repeat: no-repeat;
	width: 1000px;
	height: 155px;
	margin: auto;
}

#top_nav{
  text-align: center;
  margin: auto;
  height: 14px;
}

#wrap{
  max-width: 1000px !important;
  width: expression(document.body.clientWidth > 1000 ? "1000" : "auto" );
  margin: auto;
}


.rx{
  border: 4px solid clear;
}