body {
  background: #f1c40f;
}

.centered {
  	position: fixed;
  	top: 50%;
  	left: 50%;
  	/* bring your own prefixes */
  	transform: translate(-50%, -50%);
}

.myButton {
	box-shadow: 0px 1px 0px 0px #fff6af;
	background:linear-gradient(to bottom, #ffec64 5%, #ffab23 100%);
	background-color:#ffec64;
	border-radius:6px;
	border:1px solid #ffaa22;
	display:inline-block;
	cursor:pointer;
	color:#333333;
	font-family:Arial;
	font-size:26px;
	font-weight:bold;
	padding:32px 76px;
	text-decoration:none;
	text-shadow:0px 1px 0px #ffee66;
	width:400px;
}
.myButton:hover {
	background:linear-gradient(to bottom, #ffab23 5%, #ffec64 100%);
	background-color:#ffab23;
}
.myButton:active {
	position:relative;
	top:1px;
}