.preloader {
    position: fixed;
    left: 0px;
    top: 0px;
    width: 100%;
    height: 100%;
    z-index: 999999;
    background-color: #ffffff;
    background-position: center center;
    background-repeat: no-repeat;
    background-image: url(../img/Ellipsis-1.1s-100px.svg);
}