jellyfish-web/src/components/images/style.css

.lazy-image-fadein {
    animation: lazy-image-fadein 330ms ease-in normal both;
}

.lazy-image-fadein-fast {
    animation: lazy-image-fadein 160ms ease-in normal both;
}

@keyframes lazy-image-fadein {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.lazy-image-fadein {
    opacity: 0;
    -webkit-animation-duration: .8s;
    -moz-animation-duration: .8s;
    -o-animation-duration: .8s;
    animation-duration: .8s;
    -webkit-animation-name: popInAnimation;
    -moz-animation-name: popInAnimation;
    -o-animation-name: popInAnimation;
    animation-name: popInAnimation;
    -webkit-animation-fill-mode: forwards;
    -moz-animation-fill-mode: forwards;
    -o-animation-fill-mode: forwards;
    animation-fill-mode: forwards;
    -webkit-animation-timing-function: cubic-bezier(0,0,.5,1);
    -moz-animation-timing-function: cubic-bezier(0,0,.5,1);
    -o-animation-timing-function: cubic-bezier(0,0,.5,1);
    animation-timing-function: cubic-bezier(0,0,.5,1);
}

@keyframes popInAnimation {
    0% {
        opacity: 0;
    }

    100% {
        opacity: 1;
    }
}