.puma-icon {
  background-image: url('/images/puma.png');
  border: 2px solid black;
  cursor: default;
}
.sea-slug-icon {
  background-image: url('/images/sea-slug.png');
  border: 2px solid blue;
  cursor: pointer;
}
.egret-icon {
  background-image: url('/images/egret.png');
  border: 2px solid white;
  cursor: move;
}