body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f4f4f9;
    color: #333;
}

header {
    background-color: #003366;
    color: white;
    padding: 10px 0;
    text-align: center;
}

header h1 {
    margin: 0;
    font-size: 2rem;
}

nav {
    background-color: #004080;
    text-align: center;
    padding: 10px 0;
}

nav a {
    color: white;
    text-decoration: none;
    margin: 0 15px;
    font-weight: bold;
}

nav a:hover {
    text-decoration: underline;
}

h2 {
    color: #003366;
    margin-top: 20px;
    margin-bottom: 10px;
    font-size: 1.5rem;
}

p {
    text-align: justify;
    margin: 10px 20px;
}

img {
    display: block;
    margin: 20px auto;
    border: 2px solid #003366;
    border-radius: 5px;
}

iframe, audio {
    display: block;
    margin: 20px auto;
    max-width: 100%;
}

footer {
    background-color: #003366;
    color: white;
    text-align: center;
    padding: 10px 0;
    position: fixed;
    bottom: 0;
    width: 100%;
}

footer p {
    margin: 0;
    font-size: 0.9rem;
}

a {
    color: #004080;
    text-decoration: none;
    font-weight: bold;
}

a:hover {
    color: #003366;
    text-decoration: underline;
}