#loader{
    position: fixed;
    overflow: hidden;
    width: 100%;
    height: 1500px;
    z-index: 999999999999999999999999999999999999999999999999999999999 !important;
    background-color: white;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    transition: all 2s;
}
#loader img{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
}