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

body {
    font-family: 'Arial', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: #f0f0f0;
}

.game-container {
    text-align: center;
    background-color: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.game-header {
    margin-bottom: 20px;
}

.score-container {
    font-size: 1.2rem;
    font-weight: bold;
    margin-top: 10px;
}

.canvas-container {
    position: relative;
}

#gameCanvas {
    border: 2px solid #333;
    background-color: #eee;
}

.screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-color: rgba(255, 255, 255, 0.9);
}

.hidden {
    display: none;
}

button {
    margin-top: 20px;
    padding: 10px 20px;
    font-size: 1rem;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #45a049;
}

h1 {
    color: #333;
}

h2 {
    color: #333;
    margin-bottom: 10px;
}

p {
    margin-bottom: 10px;
}