#page_preloader {
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    background: white;
    z-index: 2;
}
    #page_preloader.hide-preloder {
        animation: hidePreloader 1s;
    }
    #page_preloader.preloder-hidden {
        display:none;
    }
    #page_preloader.preloder-view {
        position: fixed;
        left: 0;
        top: 0;
        width: 100%;
        height: 100%;
        display: flex;
        justify-content: center;
        align-items: center;
        background: white;
        z-index: 2;
    }

@keyframes hidePreloader{
    0%{
        opacity:1;
    }
     100%{
         opacity:0;
     }
}