CSS Cubic Bezier

Using cubic-bezier to create custom animation speed

Hover Me!
a {
	display: inline-block;
	width: 110px;
	height: 30px;
	color: #fff;
	text-align: center;
	font: bold 10pt Arial, sans-serif;
	text-decoration: none;
	border-radius: 2px;
	text-shadow:0px 1px 1px rgba(0,0,0,.5);
	line-height: 30px;
	margin: 0px 5px;
	box-shadow: inset 0px 1px 0px rgba(250,250,250,.3), 0px 1px 1px rgba(0,0,0,.1) ;
	border: 1px solid #8eac52;
	background: #c8e183;
	background: -moz-linear-gradient(top, #c8e183 0%, #a0cb58 100%);
	background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#c8e183), color-stop(100%,#a0cb58));
	background: -webkit-linear-gradient(top, #c8e183 0%,#a0cb58 100%);
	background: -o-linear-gradient(top, #c8e183 0%,#a0cb58 100%);
	background: -ms-linear-gradient(top, #c8e183 0%,#a0cb58 100%);
	background: linear-gradient(top, #c8e183 0%,#a0cb58 100%);
	filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#c8e183', endColorstr='#a0cb58',GradientType=0 );
}
a:hover {
	background: #c8e183;
	background: -moz-linear-gradient(top, #a0cb58 0%, #c8e183 100%);
	background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#a0cb58), color-stop(100%,#c8e183));
	background: -webkit-linear-gradient(top, #a0cb58 0%, #c8e183 100%);
	background: -o-linear-gradient(top, #a0cb58 0%, #c8e183 100%);
	background: -ms-linear-gradient(top, #a0cb58 0%, #c8e183 100%);
	background: linear-gradient(top, #a0cb58 0%, #c8e183 100%);
	filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#a0cb58', endColorstr='#c8e183',GradientType=0 );
}
.rocket {
	width:128px;
	height:128px;
	position: absolute;
	left: 45%;
	bottom: 25px;
}
a:hover + .rocket {
	-webkit-transform: translateY(-700px);
	-moz-transform: translateY(-700px);
	-ms-transform: translateY(-700px);
	-o-transform: translateY(-700px);
	transform: translateY(-700px);

	-webkit-transition: all 3s cubic-bezier(.98,0,1,.28);
	-moz-transition: all 3s cubic-bezier(.98,0,1,.28);
	-o-transition: all 3s cubic-bezier(.98,0,1,.28);
	transition: all 3s cubic-bezier(.98,0,1,.28);
}
pre {
	overflow: scroll;
	width: 300px;
	height: 300px;
	border: 1px solid #ccc;
}