body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}
header {
    text-align: center;
    background: #003366;
    padding: 10px 0;
}
header img {
    width: 80%;
    max-width: 600px;
}
nav ul {
    list-style: none;
    padding: 0;
    background: #0055a5;
    text-align: center;
    margin: 0;
}
nav ul li {
    display: inline;
    margin: 0 15px;
}
nav ul li a {
    color: white;
    text-decoration: none;
    font-size: 18px;
    padding: 10px 15px;
    display: inline-block;
}
nav ul li a:hover {
    background: #0073e6;
    border-radius: 5px;
}
main {
    padding: 20px;
    text-align: center;
}
.container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 20px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    text-align: left;
}
.image-container {
    margin: 20px 0;
    text-align: center;
}
.image-container img {
    width: 100%;
    max-width: 600px;
    height: auto;
    display: block;
    margin: 10px auto;
}
.red-text {
    color: red;
}
.underline {
    text-decoration: underline;
}
footer {
    text-align: center;
    padding: 10px;
    background: #003366;
    color: white;
}