header {
	background-color: #dee1e3;
	text-align: center;
}
body {
background-color: white
}
h1 {
	
}
#toc {
    background: #f9f9f9 none repeat scroll 0 0;
    border: 1px solid #aaa;
    display: table;
    font-size: 90%;
    margin-bottom: 1sem;
    padding: 5px;
    width: auto;
	outline-style: solid;
	outline-color: #cbd0d6;
	outline-width: medium;
}
.toc_title {
    font-weight: 700;
    text-align: center;
}

#toc li, #toc ul, #toc ul li{
    list-style: outside none none !important;
}
div{}
#div1
{
    width:1560px;
	height:350px;
	background-color:#f0f3f5;
	border:1px solid #e8ebed;
	position:relative;
	left:10px;
}
.img {
	position:absolute;
	left:1300px;
	top:340px;
	padding:1px;
	border:1px solid black;
}
.img2 {
	position:absolute;
	left:1300px;
	top:650px;
	padding:1px;
	border:1px solid black;
}
.middle {
	margin:auto;
	width:60%;
	padding:10px;
}
video {
	padding:10px;
	position:relative;
	right:20px;
}
.topnav {
	overflow: hidden;
	background-color: #a9b3ba;
	outline-style: solid;
	outline-color: grey;
	outline-width: medium;
}
.topnav a {
	float: left;
	display: inline;
	color:#ffffff;
	text-align:center;
	text-decoration:none;
	font-size:50px;
	padding: 10px 100px;
}
.topnav a:hover {
	background-color:#aaaaaa;
	color: black;