body {
  font-family: Arial, sans-serif;
  background-color: #f1f1f1;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
}

.login-container {
  background-color: #fff;
  padding: 40px;
  border-radius: 10px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
  max-width: 500px;
  width: 100%;
}

.login-container h2 {
  margin-top: 0;
  margin-bottom: 20px;
  color: #333;
  text-align: center;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-weight: bold;
  margin-bottom: 5px;
  color: #555;
}

.form-group input[type="password"] {
  padding: 10px;
  width: 96%;
  border-radius: 5px;
  border: 1px solid #ccc;
  transition: border-color 0.3s ease;
}

.form-group input[type="password"]:focus {
  border-color: #4CAF50;
  outline: none;
}

.form-group input[type="submit"] {
  padding: 10px 20px;
  background-color: #4CAF50;
  border: none;
  color: #fff;
  font-weight: bold;
  cursor: pointer;
  border-radius: 5px;
  transition: background-color 0.3s ease;
}

.form-group input[type="submit"]:hover {
  background-color: #45a049;
}

.error-message {
  color: red;
  margin-top: 5px;
  font-size: 14px;
}