CSS

<style type="text/css"><!--
 #eff4 {
    background: #0C84F3 -webkit-gradient(linear, left top, right top, from(#0DF2B4), to(#C0DFFC), color-stop(0.5, #ffffff)) 0 0 no-repeat;
    color: rgba(255, 255, 255, 0.1);
    font-size: 30px;
    font-weight: bold;
    position: relative;

    -webkit-animation: shine 2s infinite;
    -webkit-background-clip: text;
    -webkit-background-size: 300px;
}

@-webkit-keyframes shine {
    0% {
        background-position: top left;
    }
    100% {
        background-position: top right;
    }
}
 --></style>