.facebook-photo {
	position: relative; 
 }
 
a.tooltip {outline:none; }

a.tooltip:hover {text-decoration:none;} 
a.tooltip span {
    z-index:0;
	display:none;
}

a.tooltip:hover span{
    display:block; 
	position:absolute;
	top: 100px;
	left: center;
	padding: 10px 20px;
    border:2px solid #000;  
	border-radius: 5px;
	color:#000;
    background:#fff;
	width: 300px;
	z-index: 12;
}

	img {
		z-index: 1;
	}