.pre-loading-screen {
    position: fixed;
    left: 0px;
    top: 0px;
    width: 100%;
    height: 100%;
    z-index: 9999;
    background: #ffffff;
    /*background: linear-gradient(#dedede, #cbcbcb);*/
}

.loader-screen {
    position: fixed;
    left: 0px;
    top: 0px;
    width: 100%;
    height: 100%;
    z-index: 9999;
    background: #dddddd;
    background: url("/assets/img/logo.png") no-repeat center center;
    background-size: 150px;

}