#ui_page_overlay {
    position: fixed;
    display: none;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.6);
    z-index: 2;
}

.uis_page_loader {
    border: 8px solid #52aad1;
    border-top: 8px solid #0073aa;
    opacity: 0.9;

    border-radius: 50%;
    width: 70px;
    height: 70px;
    -webkit-animation: spin 1.5s linear infinite; /* Safari */
    animation: spin 1.5s linear infinite;

    /*position: absolute;
    top: 30%;
    left: 35%;*/
    margin: 100px auto;

    color: white;
    transform: translate(-50%,-50%);
    -ms-transform: translate(-50%,-50%);
}
/* Safari */
@-webkit-keyframes spin {
    0% { -webkit-transform: rotate(0deg); }
    100% { -webkit-transform: rotate(360deg); }
}
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}