body {
    font-family: sans-serif;
    background-color: #f0f0f0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    margin: 0;
}

.game-container {
    display: flex;
    gap: 20px;
    border: 3px solid #333;
    padding: 10px;
    background-color: #ddd;
}

#game-board {
    border: 2px solid #333;
    background-color: #000;
}

.side-panel {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    text-align: center;
}

.side-panel div {
    border: 2px solid #333;
    padding: 10px;
    margin-bottom: 10px;
    background-color: #eee;
}

h1, h2 {
    margin: 0 0 10px 0;
}

button {
    padding: 10px 20px;
    font-size: 1em;
    cursor: pointer;
    margin-top: 10px;
}