body{margin:0;display:flex;align-items:center;justify-content:center;height:100vh;background-color:#f0f0f0}.login-container{max-width:400px;width:100%;padding:20px;border:1px solid #ddd;border-radius:8px;box-shadow:0 0 10px #0000001a;background-color:#f9f9f9;text-align:left}h2.text-center{text-align:center}label{display:block;margin-bottom:8px}input.input-field{width:100%;padding:8px;margin:8px 0;box-sizing:border-box;border:1px solid #ccc;border-radius:4px}button.login-button{background-color:#4caf50;color:#fff;padding:10px 15px;border:none;border-radius:4px;cursor:pointer}button.login-button:hover{background-color:#45a049}.error-message{color:red;margin-top:10px}