body {
	margin: 0px;
}

header {
	color: white;
	background: black;
	height: 100px;
	width: 100%;
	text-align: center;
}

#stickyHeader2 {
	background: blue;
}

#stickyHeader3 {
	background: green;
}

#stickyHeader4 {
	background: red;
}