body, div, h1, h2, h3, h4, h5, h6, p, ul, ol, li, dl, dt, dd, img, form, fieldset, input, textarea, blockquote {
	margin: 0; padding: 0; border: 0;
}

body {
	text-align: center;
}

header {
	height: 72px;
	background;
	position: fixed;
	width: 100%;
	z-index: 20;
}