body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 0;
}

.container {
    background: #fff;
    margin: 20px auto 40px;
    padding: 20px 40px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1, h2 {
    color: #333;
}

h1 {
    border-bottom: 2px solid #666;
    padding-bottom: 10px;
}

h2 {
    margin-top: 30px;
    margin-bottom: 10px;
}

p {
    margin: 10px 0;
}

.intro {
    font-style: italic;
    color: #555;
}

.note {
    background: #ffebcd;
    padding: 10px;
    border-left: 5px solid #ffa07a;
    margin: 20px 0;
    font-weight: bold;
}