Marquee in CSS3

p.marquee{
    -webkit-animation-name: marquee;
    -webkit-animation-timing-function: linear;
    -webkit-animation-duration:10s;
    -webkit-animation-iteration-count: infinite;
    margin: 0;
    padding: 0;
    overflow: hidden;
    display: block;
    white-space: nowrap;
}


@-webkit-keyframes marquee{
    0%{
        text-indent: 95%;
}
    100%{
        text-indent: -20%;  
    }
}

Demo