#puzzleimage {

    background-image: url("");
    background-repeat: no-repeat;
    background-size: contain;
}

button {
  text-decoration: none;
  display: inline-block;
  padding: 8px 16px;
}

button:hover {
  background-color: #ddd;
  color: black;
}

.previous {
  color: darkslategrey;
}

.next {
  color: darkslategrey;
}