html {
	font-size: 16px;
}
@media (max-width: 600px) {
	html {
		font-size: 12px;
	}
}

body {
	margin: 0;
	padding: 0;
	font-family: sans-serif;
	font-size: 1.2rem;
}
body > a {
	position: absolute;
	left: 0;
	top: 0;
	width: 100%;
	height:100%;
	text-align: center;
}

body > a > div {
	pointer-events: none;
	position: relative;
	top: 45%;
	display: inline-block;
	padding: 0.5em 0.7em;
	border: 3px solid #aaaaaa80;
	border-radius: 15px;
	color: #fff;
	background-color: #212121;
	opacity: 0.8;
}
body:hover > a > div {
	background-color: #f00;
	border-color: #f00;
	opacity: 1;
}
body > a > div::before {
	position: absolute;
	content: attr(data-text);
	-webkit-text-stroke: 5px rgba(0, 0, 0, 0.7);
	z-index: -1;
}

body > div.top {
	position: relative;
	color: white;
	background: rgba(100, 100, 100, 0.5);
	max-width: 25em;
	font-size: 84%;
	text-align: center;
	margin: 0 auto;
	padding: 0.5em 1em;
}
body > div.top > a {
	color: #7df;
	text-decoration: none;
}