@namespace url(http://www.w3.org/1999/xhtml);
body::before {
 content: ""; position: fixed; top: -10px; left: 0; width: 100%; height: 10px; z-index: 100; -webkit-box-shadow: 0px 0px 10px rgba(0,0,0,.4); -moz-box-shadow: 0px 0px 10px rgba(0,0,0,.4); box-shadow: 0px 0px 10px rgba(0,0,0,.4)
}