body { font-family: Arial, sans-serif; background-color: #f4f4f9; display: flex; justify-content: center; align-items: center; height: 100vh; margin: 0; } .login-container { background-color: #fff; padding: 20px; border-radius: 8px; box-shadow: 0 0 10px rgba(0, 0, 0, 0.1); width: 300px; text-align: center; } h2 { margin-bottom: 20px; } .form-group { margin-bottom: 15px; text-align: left; } label { display: block; margin-bottom: 5px; } input[type="text"], input[type="password"] { width: 100%; padding: 8px; box-sizing: border-box; } button { width: 100%; padding: 10px; background-color: #007bff; color: #fff; border: none; border-radius: 4px; cursor: pointer; } button:hover { background-color: #0056b3; } #message { margin-top: 20px; color: red; }