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Error - 502
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1" /> <title>Error - 502</title> <style> * { margin: 0; padding: 0; box-sizing: border-box; } html, body { height: 100%; margin: 0; display: flex; flex-direction: column; background-color: black; color: white; font-family: Arial, sans-serif; } main { flex: 1; display: flex; justify-content: center; align-items: center; } .error-container { display: flex; align-items: center; gap: 20px; } .error-code { font-size: 3rem; font-weight: bold; border-right: 1px solid #333; padding-right: 20px; } .error-message { font-size: 1.2rem; } footer { background-color: #111; text-align: center; padding: 10px 0; color: #666; font-size: 0.85em; } footer span { display: block; margin-top: 5px; } </style> </head> <body> <main> <div class="error-container"> <div class="error-code">502</div> <div class="error-message">Bad Gateway</div> </div> </main> <footer> <span>Your IP: 8.222.208.146</span> <span>© 2025 University of Groningen.</span> <span>All rights reserved.</span> </footer> </body> </html>