.loading_img {
    position: absolute;
    display: block;
}

.loading_box{
    position: fixed;
    z-index: 77779;
    display: none;
    width: 100%;
    height: 100%;
	top: 0;
	left: 0;
    margin: 0;
    box-sizing: border-box;
}

.loading_bg{
    position: fixed;
    top: 0;
    left: 0;
	bottom: 0;
    z-index: 66669;
    display: none;
    width: 100%;
    height: 100%;
    background-color: rgba(255,255,255,0.7);
}