.pre-loader {
    background: #000000ea url(/assets/files/load-2.gif) no-repeat center center ;
    /* background-size: 30%; */
    background-size: clamp(4rem, 30%, 5rem) auto;
    height: 100vh;
    width: 100vw;
    position: fixed;
    top: -1; bottom: 0; right: 0; left: 0;
    z-index: 100;
}