.loader-modal
{
    position: fixed;
    z-index: 9999;
    height: 100%;
    width: 100%;
    top: 0;
    left: 0;
    background-color: Black;
    filter: alpha(opacity=60);
    opacity: 0.6;
    -moz-opacity: 0.8;
}
.loading-image
{
    margin-top:30%;
    width: 100%;
}

@media (min-width: 768px) {
    .loading-image {
        margin-top: 20%;
        width: auto;
    }
}