/* the overlayed element */ 
div.overlay { 
     
    /* growing background image */ 
    /*background-image:url(../images/white.png); */
	/* dimensions after the growing animation finishes  */ 
    width:650px;
	height:650px;
	
	position: absolute;
	top: 84px;
	left: 50%;
	margin-left: -325px;
	background-repeat: no-repeat;
	z-index:99999;
}