.lozad[data-loaded="true"], [data-loaded="true"] .lozad {
    animation-name: showLazyImg !important;
    animation-duration: 1.5s;
    animation-fill-mode: both;
}

@keyframes showLazyImg {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.lozad {
    opacity: 0;
    transition: 1s;
}