#moreProduct_ajax_loader {
    position: absolute;
    background: rgba(0,0,0,.3);
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    display: -webkit-flex;
    display:  -webkit-box;
    display:  -ms-flexbox;
    display:         flex;
    z-index: 3;
}
#moreProduct_ajax_loader > * {
    margin: auto;
    text-align: center;
    color: #fff;
}