#snake-game {
    width: 600px;
    height: 400px;
    border: 2px solid #000;
    background: #111;
    margin: 0 auto;
    position: relative;
}

#snake-score {
    position: absolute;
    top: 5px;
    left: 10px;
    color: #fff;
    font-family: Arial, sans-serif;
    font-size: 16px;
    z-index: 10;
}

#snake-controls {
    display: none;
    position: absolute;
    bottom: 5px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
}

.snake-btn {
    width: 40px;
    height: 40px;
    background: #555;
    border: 1px solid #999;
    border-radius: 8px;
    color: white;
    font-size: 18px;
    margin: 2px;
    text-align: center;
    line-height: 40px;
    cursor: pointer;
}

@media (max-width: 700px) {
    #snake-controls {
        display: block;
    }
}