* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    background-color: #1d1d1d;
    color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    flex-direction: column;
}

.game-container {
    text-align: center;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #00ff00;
}

#score {
    font-size: 1.5rem;
    color: #ffeb3b;
    margin-bottom: 10px;
}

#startButton {
    padding: 10px 20px;
    background-color: #00ff00;
    border: none;
    color: #1d1d1d;
    font-size: 1rem;
    border-radius: 5px;
    cursor: pointer;
    margin-top: 10px;
}

#startButton:hover {
    background-color: #4caf50;
}

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

canvas {
    background-color: #000;
    border: 3px solid #00ff00;
}