body { font-family: Arial, sans-serif; background: #f8f8f8; color: #333; margin: 0; padding: 0; }
header { background: black; color: white; padding: 20px; text-align: center; }
.logo { height: 80px; margin: 10px 0; }
nav a { margin: 0 15px; color: white; text-decoration: none; font-weight: bold; }
.slideshow img { width: 100%; max-height: 400px; display: block; }
main { padding: 20px; }