p {
	font-family: sans-serif;
	font-size: 13px;
	color: black;
}

.info_tabs {
	height:100%;
}

.button_area {
	/*position :relative;*/
	float: left;
	padding-left: 10px;
}

#top_bar {
	position: relative;
	left: 0px;
	margin: auto;
	text-align: center;
	padding-left: 0px;
	padding-right: 0px;
	padding-bottom: 15px;
	width: 100%;
//	border-bottom: 2px solid #036;
}

#nav {
	float: left;
	background-color:white;
	padding-top: 1%;
	left: 0px;
	margin-top: 0px;
	margin-left:0px;
	margin-bottom: 0px;
	margin-right: 1em;
	width: 200px;
	
	
	border-right: 2px solid #036;
	border-top: 2px solid #036;
	border-bottom: 2px solid #036;
	font-size: 18px;
	height: 60%;
}
#nav li{
	margin-bottom: .05em;
}


#nav li a:link{
	color: #036;
	text-decoration: none; 
}

#nav li a:visited{
	color: #524;
}
#nav li a:hover{
	font-weight: bold;
}

.sub_title {
	border-bottom: 1px solid #036;
}
/* #nav-background {
	position: absolute;
	top: 0px;
	left: 5px;
	border-right: 3px double black;
	width: 200px;
	height: 75%;
	background-color: white;
}
 */

.permanent_nav {
}
 
#landing {
	 overflow: hidden;
	 position: relative;
	 display: flex;
}

.content_block {
	display: block;
	width: 100%;
	height: 100%;
	overflow: auto;
}

 .choice-pic{
	position: relative;
	width: 25%;
	height: 100%;
	z-index: 1;
	padding: 0px;
	border: 0px;
	margin: 0px;

}

.choice-text{
	z-index: 2;
	position: absolute;
	top: 50%;
	width: 25%;
	height: 100%;
	margin: auto;
	font-size: 3em;
	text-align: center;
	text-shadow: 5px 5px 10px
	white , -5px -5px 10px white , -5px 5px 10px
	white , 5px -5px 10px white;
	}

.choice-text:hover{
	text-shadow: 5px 5px 10px
	gray , -5px -5px 10px gray , -5px 5px 10px gray , 5px -5px 10px gray;
}
	
.theory{
	left: 0;
}
.hw{
	left: 25%;
}
.sw{
	left: 50%;
}
.demo{
	left: 75%;
}

.big-pic{
width: 60%;
z-index: 1;
padding: 0px;
border: 0px;
margin: 8px;

}

.caption{
text-align: center;
padding-top: 0px;
margin-top: 4px;	
}