#board {
  width: 550px;
  height: 300px;
  background-image: url("/js/peg_puzzles/hopover/lake_grass.png");
  background-repeat: no-repeat;

  display: flex;
  justify-content: space-evenly;
  padding-top: 225px;
  margin: 0 3px;
  box-sizing: border-box;

  img {
    width: 50px;
    height: 50px;
    background-color: greenyellow;
    border: 1px solid forestgreen;
    border-radius: 50%;
  }

  img.red {
    content: url("/js/peg_puzzles/hopover/red_frog.png");
    cursor: pointer;
  }

  img.blue {
    content: url("/js/peg_puzzles/hopover/blue_frog.png");
    cursor: pointer;
  }
}