.loading-app {
    background: #000 url(../img/loader.gif);
    position: fixed;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    z-index: 9999;
   /* background-size: 80px;*/
    background-repeat: no-repeat;
    background-position: center;
    background-color:#fff;
}

.loader {
    border: 5px solid #f3f3f3;
    border-radius: 50%;
    border-top: 5px solid #111;
    width: 50px;
    height: 50px;
    -webkit-animation: spin 1s linear infinite;
    animation: spin 1s linear infinite;
}

.loader-wrpr {
    position: fixed;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    background: rgba(255,255,255,0.9);
    z-index: 99999;
}

@media (min-width: 576px) {
    .modal-dialog-mod {
        max-width: 650px !important;
        margin: 1.75rem auto;
    }