body { font-family: Arial, sans-serif; margin: 0; background: #f4f4f4; color: #333; }
header { background: #003366; color: white; text-align: center; padding: 1em; }
header img { max-width: 200px; display: block; margin: 0 auto; }nav { background: #003366; color: white; padding: 1em; }
nav ul { list-style: none; display: flex; justify-content: center; gap: 2em; }
nav a { color: white; text-decoration: null; }
main { margin: 2em; max-width: 800px; margin-left: 250px; }
footer { text-align: center; padding: 1em; background: #003366; color: white; }