.photos img {
  margin: 2px;
}

.photo {
  float: left;
  margin: 3px;
  margin-left: 30px;
  background-image: url(./images/back_img.jpg);
  background-position: 0px 32px;
  background-repeat: no-repeat;
  height:202px;
}

.img_catag {
  border: 0px solid orange;
  width:250px;
  text-align:center;
  vertical-align: middle;
  height:172px;
  background-image: url(./images/image_gallery.jpg);
  background-repeat: no-repeat;
  background-position: 0px 50px;
}

.img_back {
  width: 250px;
  height: 172px;
  border: 0px solid red;
  text-align: center;
}