body { font-family: Arial, sans-serif; margin: 0; padding: 0; background-color: #f5f5f5; }
.navbar { background-color: #333; padding: 1em; }
.navbar ul { list-style: none; display: flex; justify-content: space-around; padding: 0; margin: 0; }
.navbar ul li a { color: white; text-decoration: none; font-weight: bold; }
.main-header { background: #0066cc; color: white; padding: 2em 1em; text-align: center; }
.content { padding: 2em; background: white; margin: 1em auto; max-width: 800px; }
.footer { text-align: center; padding: 1em; background: #333; color: white; margin-top: 2em; }