#draggable-pic:hover {
  cursor: pointer;
}

.reload-button {
  visibility: hidden;
}

.held {
  cursor: grab;
}

.grabbing {
  cursor: grabbing;
}

.hovered {
  border: 10px dotted black;
}

.invisible {
  display: none;
}
.image {
  height: 100vh;
  width: 100vh;
  display: flex;
  flex-wrap: wrap;
}

.image > div {
  width: 20%;
  height: 20%;
  background: red;
  box-sizing: border-box;
  background: url("https://source.unsplash.com/random/1000x1000") no-repeat;
  /*background: url(http://lorempixel.com/600/600/nature/1/) no-repeat;*/
  background-size: 500%;
}

.image > div[data-image-piece1] {
  background-position: 0% 0%;
}
.image > div[data-image-piece2] {
  background-position: 25% 0%;
}
.image > div[data-image-piece3] {
  background-position: 50% 0%;
}
.image > div[data-image-piece4] {
  background-position: 75% 0%;
}
.image > div[data-image-piece5] {
  background-position: 100% 0%;
}
.image > div[data-image-piece6] {
  background-position: 0% 25%;
}
.image > div[data-image-piece7] {
  background-position: 25% 25%;
}
.image > div[data-image-piece8] {
  background-position: 50% 25%;
}
.image > div[data-image-piece9] {
  background-position: 75% 25%;
}
.image > div[data-image-piece10] {
  background-position: 100% 25%;
}
.image > div[data-image-piece11] {
  background-position: 0% 50%;
}
.image > div[data-image-piece12] {
  background-position: 25% 50%;
}
.image > div[data-image-piece13] {
  background-position: 50% 50%;
}
.image > div[data-image-piece14] {
  background-position: 75% 50%;
}
.image > div[data-image-piece15] {
  background-position: 100% 50%;
}
.image > div[data-image-piece16] {
  background-position: 0% 75%;
}
.image > div[data-image-piece17] {
  background-position: 25% 75%;
}
.image > div[data-image-piece18] {
  background-position: 50% 75%;
}
.image > div[data-image-piece19] {
  background-position: 75% 75%;
}
.image > div[data-image-piece20] {
  background-position: 100% 75%;
}
.image > div[data-image-piece21] {
  background-position: 0% 100%;
}
.image > div[data-image-piece22] {
  background-position: 25% 100%;
}
.image > div[data-image-piece23] {
  background-position: 50% 100%;
}
.image > div[data-image-piece24] {
  background-position: 75% 100%;
}
.image > div[data-image-piece25] {
  background-position: 100% 100%;
}