body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f8f8f8;
    color: #333;
}

header {
    background-color: #007BFF;
    color: white;
    padding: 20px;
    text-align: center;
}

main {
    max-width: 800px;
    margin: 20px auto;
    padding: 20px;
    background-color: white;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1 {
    margin: 0;
}

h2 {
    color: #007BFF;
    border-bottom: 2px solid #007BFF;
    padding-bottom: 10px;
    margin-bottom: 20px;
}

ul {
    list-style-type: disc;
    margin-left: 20px;
}

section {
    margin-bottom: 30px;
}

p {
    line-height: 1.6;
}

footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 10px 0;
    position: fixed;
    width: 100%;
    bottom: 0;
}

footer p {
    margin: 0;
}

a {
    color: #007BFF;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

@media (max-width: 600px) {
    main {
        margin: 10px;
        padding: 15px;
    }

    footer {
        font-size: 14px;
    }
}