html { 
	box-sizing: border-box; 
} 
*, *:before, *:after { 
	box-sizing: inherit; 
}

html, body {
	width:100%;
	height:100%;
	margin:0;
	padding:0;
	font-family: sans-serif;
}

body {
	padding:2em;
}

footer {
	padding-bottom:2em;
}