body {
    font-family: Arial, sans-serif;
    text-align: center;
    background-color: #f0f0f0;
    margin: 0;
    padding: 0;
}

#game-container {
    margin-top: 20px;
}

#matrix-container {
    display: grid;
    grid-template-columns: repeat(6, 50px);
    grid-template-rows: repeat(6, 50px);
    gap: 2px;
    justify-content: center;
    margin: 0 auto;
}

.cell {
    width: 50px;
    height: 50px;
    background-color: white;
    border: 2px solid black;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.cell.circle {
    background-color: black;
    border-radius: 50%;
}

#message {
    margin-top: 20px;
    font-size: 1.2em;
}

#prize {
    margin-top: 20px;
    max-width: 100%;
    height: auto;
}