body {
	background-image: url(yoga-world-background3.jpg);
	text-align: center;
	margin:0;
}




#global {
     position:absolute;
     left: 50%; 
     top: 50%;
     width: 950px;
     height: 570px;
     margin-top: -285px; /* half of the height */
     margin-left: -475px; /* half of the width */
   
     }