.piano-container {
	border-radius: 2px; 
	border-top: 1px solid #aaa; 
	margin: auto; 
	margin-top: -1px;
	overflow: hidden; 
	width: 90%; 
}
.piano {
	left: 0px;
	position: relative;
	width: 2500px;
}
.key {
/*	background: -webkit-radial-gradient(50% 35%, 90% 150%, rgba(255,255,255,.8) 20%,rgba(153,153,153,0)), 
	    -webkit-linear-gradient(#eee 50%, #ddd 177px, #ccc); */
	background: radial-gradient(rgba(255,255,255,1) 20%, rgba(153,153,153,.1)),
				linear-gradient(#eee 50%, #ddd 177px, #ccc);
	border: 1px solid #d3d3d3;
	border-radius: 0 0 2px 2px;
	box-shadow: inset 0 -1px 1px rgba(0,0,0,.3);
	display: inline-block;
	height: 180px; 
	margin-left: -3px; 
	transition: 2s;
	width: 1.645%; 
}
.key:active, 
.key.black:active {
	background: radial-gradient(rgba(255,255,255,.35) 20%,rgba(102,102,102,0)), 
				linear-gradient(#bada55 50%, #ac6); 
	cursor: pointer;
	transition: .3s;
}
.key.black {
	background: linear-gradient(#222,#111 110px,#333); 
	border-radius: 0 0 6px 6px; 
	height: 120px;
	margin-left: -16px; 
	margin-right: -20px;
	position: relative; 
	top: -60px; 
	width: 32px;
}
.left-arrow,
.right-arrow {
	color: #eee; 
	cursor: pointer;
	font-size: 28px; 
	position: absolute; 
	text-shadow: 0 1px 0 #ccc;
	top: 280px; 
	z-index: 99999;
}
.left-arrow {
	left: 40px;
}
.right-arrow {
	right: 40px;
}