body {
	font-family: Arial, sans-serif;
	text-align: center;
	margin: 0;
}

.clear {
	clear: both;
}


button {
	border: 0;
	background: #3498db;
	color: white;
	padding: 13px;
	display: block;
	width: 200px;
	margin: 10px auto 30px;	
	-webkit-transition: all 0.1s ease-in-out;
	   -moz-transition: all 0.1s ease-in-out;
	    -ms-transition: all 0.1s ease-in-out;
	     -o-transition: all 0.1s ease-in-out;
			transition: all 0.1s ease-in-out;	
}
button:hover {
	cursor: pointer;
	background: #2980b9;
	-webkit-transform: scale(1.05);
	   -moz-transform: scale(1.05);
	     -o-transform: scale(1.05);
	    -ms-transform: scale(1.05);
	        transform: scale(1.05);
}

section {font-size: 0px;}
section * {
	opacity: 0;
	width: 20%;
	display: inline-block;
}