.transbit     {
	position: relative;
	margin-bottom: 6px;
	margin-right: auto;
	margin-left: auto;
	height: 50px;
}
.transbit .over    {
	display: none;
	position: absolute;
	left: 0px;
	top: 0px;
}
.transbit .out    {
	position: absolute;
	left: 0px;
	top: 0px;
}