.hover_img a {
	position: relative;
}

.hover_img a span {
	position: absolute;
	padding: 10px;
	display: none;
	z-index: 99;
	background-color: white;
	border: 3px solid black;
	border-radius: 4px;
}

.hover_img a:hover span {
	display: block;
}

.hover_img a:hover span img{
	max-width:500px;
    max-height:200px;
    width: auto;
    height: auto;
}