.loading-bg {
    width: 100%;
    min-height: 100%;
    background-color: #fff;
    position: absolute;
    top: 0;
    float: left;
    opacity: 0.6;
    display: block;
    z-index: 99999999999999999999999999;
}
.loading-bg .model-loader {
    border-bottom: 3px solid #164C99 !important;
    border-radius: 50%;
    border-top: 3px dotted #666;
    border-bottom-color: #666;
    border-right: 3px dotted #666;
    border-left: 3px dotted #666;
    height: 70px;
    -webkit-animation: spin 2s linear infinite;
    animation: spin 1.5s linear infinite;
    box-shadow: 2px 1px 7px #BFBFBF;
    background-color: #fff;
    width: 70px;
    position: absolute;
    margin: 0 auto;
    z-index: 99999999999999999999999999;
    top: 50%;
    left: 40%;
}