body {
    font-family: Arial, sans-serif;
    text-align: center;
    background-color: #f4f4f4;
}

#game-board {
    display: grid;
    grid-template-columns: repeat(8, 50px);
    grid-template-rows: repeat(8, 50px);
    gap: 5px;
    justify-content: center;
    margin: 20px auto;
}

.gem {
    width: 50px;
    height: 50px;
    border-radius: 5px;
}

.red {
    background-color: red;
}

.blue {
    background-color: blue;
}

.green {
    background-color: green;
}

.yellow {
    background-color: yellow;
}

.purple {
    background-color: purple;
}

#score-board {
    font-size: 20px;
    margin-top: 20px;
}