:root {
  --bodycolor: #AAAAAA;
  --backcolor: #E9F0FF;
  --titlebackcolor: #000066;
}

body {
	margin: 0px;
	background-color: var(--bodycolor);
	font-family: Arial, Helvetica, sans-serif;
}

.backdiv {
	margin-left: auto;
	margin-right: auto;
	width: 1080px;
	background-color: var(--backcolor);
}

.titlediv {
	position: relative; 
	margin-left: auto; 
	margin-right: auto; 
	border: 0; 
	width: 984px; 
	padding: 8px; 
	background-color: var(--titlebackcolor); 
	font-size:24px; 
	font-weight:bold; 
	letter-spacing: 1px;
	color: #FBFBFB; 
}

.basicdiv {
	position: relative; 
	margin-left: auto;
	margin-right: auto;
	border: 0; 
	width: 1000px;
}

.vidcaption {
	position: relative; 
	margin-top: 6px;
	margin-left: auto;
	margin-right: auto;
	border: 0; 
}

.collapsible {
	margin: 6px 0px;
	border: none;
	outline: none;
	width: 100%;
	padding: 6px;
	background-color: #eee;
	cursor: pointer;
	text-align: left;
	font-size: 15px;
	color: #444;
}

.active, .collapsible:hover {
	background-color: #ccc;
}

.videodiv {
	overflow: hidden;
	transition: max-height 0.4s ease-out;
	max-height: 0;
	padding: 0 18px;
	background-color: var(--backcolor);
} 

.videoplayer {
	width: 800px;
}