.loderModal {
    position: fixed;
    z-index: 1051;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    background: rgba(0, 0, 0, .7) url("../public/loader.gif") 50% 50% no-repeat;
}

body.loading {
    overflow: hidden;
}

body.loading .loderModal {
    display: block;
}