Addressbar CSS Shadow screenshot --> http://imgur.com/5CiUE

body-shadow.css

body {
  font: 13px/19px Arial, sans-serif;
  color: #666666;
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: none; /* Fix for webkit rendering */
}
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,.8);
	-moz-box-shadow: 0px 0px 10px rgba(0,0,0,.8);
	box-shadow: 0px 0px 10px rgba(0,0,0,.8);
}
body:after {
	content: "";
	position: fixed;
	bottom: -10px;
	left: 0;
	width: 100%;
	height: 10px;
	z-index: 100;
	-webkit-box-shadow: 0px 0px 45px rgba(38,144,183,.5);
	-moz-box-shadow: 0px 0px 35px rgba(38,144,183,.5);
	box-shadow: 0px 0px 35px rgba(38,144,183,.5);	
}