<div id="demo">
  <div id="logo">
    <p>GreenSock</p>
  </div> 
</div>

body {
  background-color:#000;
}
#demo {
  width: 692px;
  height: 70px;
  background-color: #333;
  padding: 8px;
}
#logo {
  position: relative;
  width: 150px;
  height: 60px;
  background: #90E500 url(https://s3-us-west-2.amazonaws.com/s.cdpn.io/16327/logo_transparent_1.png) no-repeat;
  background-position: 0px 4px;
  color: #000;
  font-family: Arial, Helvetica, sans-serif;
  border-bottom: solid #000 10px;
}
#logo p {
  font-size:17px;
  margin-top: 0px;
  margin-left: 60px;
  line-height: 58px;
}

/*external js
https://cdnjs.cloudflare.com/ajax/libs/gsap/latest/TweenLite.min.js
https://cdnjs.cloudflare.com/ajax/libs/gsap/latest/plugins/CSSPlugin.min.js
*/

window.onload = function() {
  var logo = document.getElementById("logo");
  TweenLite.to(logo, 2, {left:"542px", backgroundColor:"black", borderBottomColor:"#90e500", color:"white"});
}