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

body {
    font-family: 'Arial', sans-serif;
    background-color: #70c5ce;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    overflow: hidden;
}

.container {
    position: relative;
    width: 480px;
    height: 640px;
}

.game-intro, .game-over {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-color: rgba(0, 0, 0, 0.7);
    color: white;
    z-index: 10;
    text-align: center;
    padding: 20px;
}

.game-intro h1 {
    font-size: 36px;
}

.game-over {
    display: none;
}

h1, h2 {
    margin-bottom: 20px;
}

p {
    margin-bottom: 30px;
    font-size: 18px;
    line-height: 1.5;
}

button {
    padding: 12px 24px;
    font-size: 18px;
    background-color: #e74c3c;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #c0392b;
}

#game-canvas {
    background-color: #70c5ce;
    display: block;
    border: 2px solid #333;
}