.jumbotron{
 margin-bottom: 0px;
          }
.bg-navbar{
	background-color: #ccccff;
}
.top-buffer { 
margin-top: 1rem;
}
.hidden { 
display: none; 
}
#centerDiv {
	position: absolute;
	top: 50%;
	left: 35%;
	z-index: 2;
	margin: auto;
	width: 25%;
	height: 25%;	
}
#leftDiv {
	position: absolute;
	left: -50%;
	z-index: 1;
	width: 100%;
	min-height: 100%;
	background-color: black;
}
#rightDiv {
	position: absolute;
	right: -50%;
	z-index: 1;
	width: 100%;
	min-height: 100%;
	background-color: black;
}