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

h1 {
    margin: 20px 0;
}

#game-info {
    margin-bottom: 10px;
}

#game-board {
    margin: 0 auto;
    position: relative;
    width: 400px;
    height: 400px;
    background-color: #d3d3d3;
    border: 2px solid #000;
    overflow: hidden;
}

.snake {
    width: 20px;
    height: 20px;
    background-color: green;
    position: absolute;
}

.food {
    width: 20px;
    height: 20px;
    position: absolute;
}

.food.red { background-color: red; }
.food.yellow { background-color: yellow; }
.food.black { background-color: black; }

#game-over-message {
    margin-top: 20px;
    font-size: 1.5rem;
    color: red;
    font-weight: bold;
}