#top_nav	{
	width: 900px;
	height: 155px;
	background-image: url(../images/TSS_logo.png);
	background-repeat: no-repeat;
	background-position: center top;
	margin-right: auto;
	margin-left: auto;
	margin-bottom: 1.5em;
	border-bottom-width: medium;
	border-bottom-style: double;
	border-bottom-color: #FFbb00;
	position: relative;
}
#top_nav ul {
	text-align: center;
	list-style-image: none;
	margin: 122px 0px 0px 110px;
	padding: 0px;
	list-style: none;
	float:left;
	background-repeat: repeat-x;
	background-position: 0px 0px;
}
#top_nav ul li {
	display:block;
	margin: 0px;
	padding: 0px;
	float: left;
  	height: 25px;
	list-style-type:none;
}
#top_nav ul li a {
  	display: block;
  	height: 25px;
  	background: transparent url(../images/shepard_navigation.png) no-repeat 0px 0px;
}
#top_nav ul li a:hover {
	background-position: 0 -25px;
}

#top_nav ul li a span {
  display: none;
}
#top_nav ul li.home a {
  width: 74px;
  background-position: 0px 0px;
}
#top_nav ul li.services a {
  width: 87px;
  background-position: -74px 0px;
}
#top_nav ul li.capabilities a {
  width: 113px;
  background-position: -161px 0px;
}
#top_nav ul li.portfolio a {
  width: 92px;
  background-position: -274px 0px;
}
#top_nav ul li.client_list a {
  width: 79px;
  background-position: -366px 0px;
}
#top_nav ul li.press a {
  width: 66px;
  background-position: -445px 0px;
}
#top_nav ul li.history a {
  width: 82px;
  background-position: -511px 0px;
}
#top_nav ul li.contact a {
  width: 87px;
  background-position: -593px 0px;
}
#top_nav ul li.home a:hover {
  background-position: -0px -25px;
}
#top_nav ul li.services a:hover {
  background-position: -74px -25px;
}
#top_nav ul li.capabilities a:hover {
  background-position: -161px -25px;
}
#top_nav ul li.portfolio a:hover {
  background-position: -274px -25px;
}
#top_nav ul li.client_list a:hover {
  background-position: -366px -25px;
}
#top_nav ul li.press a:hover {
  background-position: -445px -25px;
}
#top_nav ul li.history a:hover {
  background-position: -511px -25px;
}
#top_nav ul li.contact a:hover {
  background-position: -593px -25px;
}

body#home div#container #top_nav ul li.home a {
  background-position: -0px -50px;
}
body#services div#container #top_nav ul li.services a {
  background-position: -74px -50px;
}
body#capabilities div#container #top_nav ul li.capabilities a {
  background-position: -161px -50px;
}
body#portfolio div#container #top_nav ul li.portfolio a {
  background-position: -274px -50px;
}
body#client_list div#container #top_nav ul li.client_list a {
  background-position: -366px -50px;
}
body#press div#container #top_nav ul li.press a {
  background-position: -445px -50px;
}
body#history div#container #top_nav ul li.history a {
  background-position: -511px -50px;
}
body#contact div#container #top_nav ul li.contact a {
  background-position: -593px -50px;
}