body {
    font-family: Arial;
    text-align: center;
}

#board {
    display: grid;
      gap: 10px;
      margin-top: 20px;
      grid-template-columns: repeat(4, 80px);
    }

.cell {
    width: 80px;
    height: 80px;
    background-color: lightgreen;
    display: flex;
    align-items: center;
    font-size: 24px;
}

.mole {
    background-color: brown;
    color: white;
}

.bomb {
    background-color: black;
    color: white;
}