#main_navigation
{
	margin: 0 0 3em;
	padding: 0 0 3em;
}

#main_navigation li
{
	list-style-type: none;
	clear: both;
}
#main_navigation li a
{
	padding-top: 48px;
	float: left;
	height: 0;
	width: 240px;
	overflow: hidden;
	background: url(../images/navigation/main_navigation_de.gif) no-repeat;
	border: none;
}

#main_navigation li#projects a { background-position: 0 0; }
#main_navigation li#about a { background-position: 0 -48px; }
#main_navigation li#contact a { background-position: 0 -96px; }

#main_navigation li#projects a:hover { background-position: -240px 0; }
#main_navigation li#about a:hover { background-position: -240px -48px; }
#main_navigation li#contact a:hover { background-position: -240px -96px; }

#main_navigation li#projects a:active { background-position: -480px 0; }
#main_navigation li#about a:active { background-position: -480px -48px; }
#main_navigation li#contact a:active { background-position: -480px -96px; }

#main_navigation li#projects_selected a { background-position: -720px 0; }
#main_navigation li#about_selected a { background-position: -720px -48px; }
#main_navigation li#contact_selected a { background-position: -720px -96px; }

/* @group project navigation */

h3.project_navigation_header
{
	font-family: "Helvetica Neue Light", HelveticaNeue-Light, "Helvetica Neue", HelveticaNeue, Verdana, Arial, Helvetica, sans-serif;
	font-size: 1em;
	font-weight: lighter;
	letter-spacing: .1em;
	color: #00d5ff;
	text-decoration: none;
	line-height: .666em;
	float: left;
	height: 1em;
	width: 240px;
	overflow: visible;
	margin: 0;
	padding: 0;
}

#project_navigation
{
	float: none;
	clear: both;
	padding: 0 0 2em;
	margin: 0 0 2em 12px;
}

#project_navigation li
{
	list-style-type: none;
	clear: both;
}

#project_navigation li a
{
	font-size: 12px;
	color: white;
	width: 228px;
	display: block;
	text-decoration: none;
	padding-top: 0px;
	height: 1.5em;
	overflow: visible;
	background: none;
}

#project_navigation li#selected a
{
	background: url(../images/navigation/project_navigation_bg.gif);
	color: #d4fe20;
}

#project_navigation li a:hover
{
	background: url(../images/navigation/project_navigation_bg_hover.gif);
	color: #d4fe20;
}

#project_navigation li a:active
{
	background: url(../images/navigation/project_navigation_bg_active.gif);
	color: white;
}

/* @end */