.slider-item{position: absolute;display: none;width:100%;}
.msBlock{font-size: small;}
#ybox{
	position: fixed;
	top: 50%;
	left: 50%;
	margin-left: -301px;
	margin-top: -175px;
	padding: 25px;
	background: #fff;
	border: 1px solid #ccc;
	border-radius: 15px;
	z-index: 10;
}