CSS3 Marquee

HTML

<script src="http://leaverou.github.com/prefixfree/prefixfree.js"></script>
<div class="marquee"><iframe src="http://www.lingscars.com/" frameborder="0" width="1024" height="3000"></iframe></div>

CSS

.marquee {
    width: 450px;
    margin: 0 auto;
    overflow: hidden;
    white-space: nowrap;
    box-sizing: border-box;
    animation: marquee 50s linear infinite;
}

@keyframes marquee {
    0%   { text-indent: 27.5em }
    100% { text-indent: -105em }
}