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

header {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 15px;
}

h1 {
    margin: 0;
}

main {
    width: 80%;
    margin: 20px auto;
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h2 {
    color: #333;
}

p {
    font-size: 16px;
    line-height: 1.5;
    color: #555;
}

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

ul li {
    background: #555;
    color: white;
    padding: 10px;
    margin: 5px 0;
    border-radius: 4px;
}