#board {
  display: grid;
  grid-template-columns: repeat(4, 100px);
  grid-gap: 5px;
  margin-bottom: 10px;

  .tile {
    display: flex;
    border: 1px solid black;
    border-radius: 16px;
    background-color: yellow;
    color: blue;
    width: 80px;
    height: 80px;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    font-size: 60px;
  }
}