.guard-rail {
    animation-timing-function: linear;
    animation-iteration-count: infinite;
    animation-name: scroll-guard-rail;
    animation-duration: 15s;
}

@keyframes scroll-guard-rail {
    0% {
        transform: translate(0, 0);
    }

    100% {
        transform: translate(calc(-100% - 50px), 0);
    }
}