header {
	width: 1100px;
	margin: 0px auto;
	padding: 20px 0px 30px 0px;
	font-size: 18px;
	font-family: Courier;
	font-weight: bold;
	color: #100c48;
}
footer {
	width: 1100px;
	margin: 0px auto;
	padding: 20px 0px 30px 0px;
	font-size: 12px;
	font-family: Courier;
	color: gray;	
}
#slider {
	width: 1100px;
	height: 700px;
	margin: 0px auto;
}