<!doctype html>
<title>Mon site</title> <style> body { font-family: Arial, sans-serif; padding: 40px; background:#f7fafc; color:#222; text-align:center; } .card { max-width:720px; margin:auto; background:white; padding:24px; border-radius:12px; box-shadow:0 6px 20px rgba(0,0,0,0.06); } </style>