body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background: #f4f4f4;
}

header {
    background: #333;
    color: #fff;
    padding: 1rem 0;
    text-align: center;
}

header h1 {
    margin: 0;
}

section {
    padding: 1rem 2rem;
    margin: 1rem 0;
    background: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

section h2 {
    border-bottom: 2px solid #333;
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
}

ul {
    list-style-type: none;
    padding: 0;
}

ul li {
    margin-bottom: 0.5rem;
}