span.image_row {
  overflow: hidden; }

span.image_item {
  float: left;
  text-align: center; }

span.image_thumbnail {
  width: 100%;
  height: 100%;
  margin-bottom: 5px;
  float: left;
  background-repeat: no-repeat;
  background-position: center center;
  border-bottom:1px; }