html {
	height: 100%; 
	margin: 0; 
	padding: 0; 
	overflow: hidden; 
}

body {
	background-color: #000000; 
	height: 100%; 
	margin: 0px; 
	padding: 0px; 
}

.hundred {
	width: 100%; 
	height: 100%; 
}

#tool {
	position: relative; 
	width: 450px; 
	height: 400px; 
	text-align: center; 
}

.dark {
	filter: alpha(opacity=50); 
	-moz-opacity: .50; 
	opacity: .50; 
}

.tube {
	margin: 25px; 
	padding: 0px; 
}