.marquee {
    width: 1000px;
    margin: 0 auto;
    white-space: nowrap;
    overflow: hidden;
    box-sizing: border-box;
    font-size: 14px;
    color: red;
}

.marquee span {
    display: inline-block;
    padding-left: 100%;  /* show the marquee just outside the paragraph */
    animation: marquee 20s linear infinite;
}

.marquee span:hover {
    animation-play-state: paused
}

/* Make it move */
@keyframes marquee {
    0%   { transform: translate(0, 0); }
    100% { transform: translate(-100%, 0); }
}