#messagebox{  
	position: fixed;
	margin: 0 auto;
	width: 250px;
	left: 0;
	right: 0;
	border: 2px solid grey;
	border-radius: 15px;
	box-shadow: 0 0 10px rgba(0,0,0,0.5);
	background: white;
	padding: 5px;
	z-index: 1;
	text-align: center;
}