body {
    font-family: 'Segoe UI', sans-serif;
    margin: 0;
    background-color: #f5f5f5;
    color: #333;
}
header {
    background-color: #800000;
    color: white;
    padding: 20px;
    text-align: center;
}
nav {
    background-color: #b30000;
    text-align: center;
    padding: 10px 0;
}
nav a {
    color: white;
    text-decoration: none;
    margin: 0 20px;
    font-weight: bold;
}
nav a:hover {
    text-decoration: underline;
}
main {
    padding: 20px;
    max-width: 1000px;
    margin: auto;
    background-color: white;
}
img {
    max-width: 100%;
    height: auto;
    margin: 20px 0;
}
footer {
    background-color: #800000;
    color: white;
    text-align: center;
    padding: 15px;
    margin-top: 40px;
}