/* Z-index of #mask must lower than #boxes .window */  
#mask {  
  position:absolute;  
  z-index:9000;  
  background-color:#000;  
  display:none;  
}  
    
#boxes .window {  
  position:fixed;  
  width:451px;  
  height:344px;  
  display:none;  
  z-index:9999;  
  padding:20px;  
}  
  
  
/* Customize your modal window here, you can add background image too */  
#boxes #dialog {  
	background-image:url(http://www.schoolwidenetwork.com/images/notice.png);
	background-repeat:no-repeat;
	width:451px; 
	height:344px;
	padding:13px 0px 20px 25px;
	
}