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

body {
    font-family: 'Arial', sans-serif;
    background-color: #f4f4f9;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.container {
    text-align: center;
    background-color: #ffffff;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

h1 {
    font-size: 3em;
    color: #333333;
}

p {
    margin: 20px 0;
    font-size: 1.2em;
    color: #555555;
}

.play-btn {
    background-color: #4CAF50;
    color: white;
    border: none;
    padding: 15px 30px;
    font-size: 1.2em;
    cursor: pointer;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.play-btn:hover {
    background-color: #45a049;
}

.how-to-link {
    display: inline-block;
    margin-top: 20px;
    color: #333333;
    text-decoration: none;
    font-size: 1.1em;
    border-bottom: 2px solid transparent;
    transition: border-bottom 0.3s ease, color 0.3s ease;
}

.how-to-link:hover {
    color: #4CAF50;
    border-bottom: 2px solid