.marquee {
    overflow: hidden;
    position: relative;
}

.marquee-content {
    display: inline-block;
    white-space: nowrap;
    animation: slide-left 15s linear infinite;
}

@keyframes slide-left {
    0% {
        transform: translateX(100%);
    }
    100% {
        transform: translateX(-100%);
    }
}