@charset "UTF-8";
/* CSS Document */

body{
	background-color: #efefef;
}

#btn{
	width: 200px;
	height: 200px;
	background-color: #ef454a;
	border-radius: 50%;
	margin: 30px auto;
	text-align: center;
	line-height: 200px;
	color: #fff;
	font-weight: 700;
	font-size: 42px;
	cursor: pointer;
	box-shadow: 0 10px 0 #d1483e;
	user-select: none;
}
#btn:hover{
	opacity: 0.7;
}
#btn:active{
	box-shadow: 0 5px 0 #d1483e;
	margin-top: 35px;
}