.valid {
    color: green;
  }
  
  .invalid {
    color: red;
  }

  .mfa-option {
    transition: border-color 0.2s ease-in-out;
  }

  #signup-button {
    background-color: rgb(116, 117, 137);
  }

  #signup-button:hover {
    background-color: rgb(71, 73, 99);
  }