.image_gallery {
  border-bottom: 2px solid #000;
}

.image_gallery .field,
.image_gallery .submit {
  margin: 10px;
}

.image_gallery h2 {
  margin: 10px;
}

.image_gallery .drop_target {
  height: 120px;
  border-top: 1px solid #999;
  padding: 10px;
}

.image_gallery .drop_target span {
  color: #444;
  margin: 10px;
  font-size: 14px;
}

.image_gallery .drop_target .thumb {
  float: left;
  margin-right: 5px;
}

.image_gallery .drop_target.hovering {
  background-color: #bbb;
}