CSS animate

****HTML

<h3 class="roboto">
<i class="hand_on_form_register_post"></i>Sản Phẩm Liên Quan
</h3>

**** CSS 

.hand_on_form_register_post {

    background-image: url(../images/icon-hand-post.png);

    float: left;

    width: 38px;

    height: 29px;

    left: 0;

    margin-top: -6px;

    margin-right: 10px;

    position: relative;

    -webkit-animation: mymove 1s infinite;

    animation: mymove 1s infinite;

}

@-webkit-keyframes mymove{

    from{left:-20px}

    to{left:8px}

}

@keyframes mymove{

    from{left:-20px}

    to{left:8px}

}