html, body {
	height: 100%;
}
body {
	margin: 0;
	padding: 0;
}

body {
	display: flex;
	align-items: center;
	justify-content: center;
}

.warning {
	min-width: 22em;
	
	box-shadow: 2px 2px 6px #aaa;
	-moz-box-shadow: 2px 2px 6px #aaa;
	-webkit-box-shadow: 2px 2px 6px #aaa;
	
	border-radius: 5px;
	border: 2px solid black;
	
	text-align: center;
	
	background-color: #fdfdfd;
}

.warning h1 {
	text-transform: uppercase;
	margin: 0.2em;
	padding: 0.6em;
	
	color: #fffffa;
	background-color: red;
	
	font-weight: bold;
	
	border-top-left-radius: 5px;
	border-top-right-radius: 5px;
}

.warning p {
	text-transform: uppercase;
	margin: 1em;
	padding: 0.2em;
}