/* loading */
.loading{
	position: absolute;
	left: 0;
	top: 0;
	right: 0;
	bottom: 0;
	z-index: 2;
	background: rgba(255,255,255,0.7);
}
.loading .content 
{
    position: absolute;
    transform: translateY(-50%);
     -webkit-transform: translateY(-50%);
     -ms-transform: translateY(-50%);
    top: 50%;
    left: 0;
    right: 0;
    text-align: center;
    color: #555;
}