.page-loader-custom{
    display:block;
    width:100%;
    height:100%;
    position:fixed;
    top:0;left:0;
    background:#fff;
    z-index:100000
}
.page-loader-custom img{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
}