Pack slider

HTML

<div id="container">
    <div id="pack">
        <img id="pack" src="http://imgur.com/uGMzOGM.png">
    </div>

CSS

#pack {
    margin: 5px auto;
    position:fixed;
    -webkit-animation: slideout 800ms;
    -webkit-animation-delay: 7s;
    -webkit-animation-fill-mode: forwards;
}
#container {
    overflow:hidden;
}
@-webkit-keyframes slideout {
    from {
        left: auto;
    }
    to {
        left: -1000px
    }