.overflow-scroll:hover {
    animation: scroll-rtl 10s infinite linear;
}

.overflow-scroll div{
    margin: 0.5em;
}

.overflow-scroll:hover div{
    background-color: lightgray;
}

@keyframes scroll-rtl {
    0% {
        transform: translate(0);
    }

    100% {
        transform: translate(-100%);
    }
}