.marquee-container {
    width: 100%;
    overflow: hidden;
    white-space: nowrap;
    box-sizing: border-box;
}

.marquee-text {
    display: inline-block;
    padding-left: 100%;
    animation: marquee 20s linear infinite;
    font-size: 20px;
}

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