body { font-family: Arial, sans-serif; max-width: 640px; margin: 50px auto; color: #111; }
h1 { margin-bottom: 4px; }
.sous { color: #555; margin-top: 0; }
form { margin: 24px 0; }
input { padding: 6px; }
button { padding: 6px 12px; cursor: pointer; }
.msg { background: #eee; padding: 8px 12px; border-left: 4px solid #333; }
.date { color: #888; font-size: 0.85em; }
.srv { color: #888; font-size: 0.85em; margin-top: 32px; }