.thumbnail {
  position: relative;
  z-index: 0;
}

.thumbnail:hover {
  background-color: transparent;
  z-index: 50;
}

.thumbnail span {
  /*CSS for enlarged image*/
  position: absolute;
  background-color: #f8af00;
  padding: 5px;
  left: -1000px;
  border: 1px dashed gray;
  visibility: hidden;
  color: black;
  text-decoration: none;
}

.thumbnail span img {
  /*CSS for enlarged image*/
  border-width: 0;
  padding: 2px;
}

.thumbnail:hover span {
  /*CSS for enlarged image on hover*/
  visibility: visible;
  top: 0;
  left: 60px; /*position where enlarged image should offset horizontally */
}

.thumb_img
{
	width: 150px;
	height:100px;
    border: 0px;
	margin-right: 10px;
}