t>
              <legend>Configuration</legend>
              reCAPTCHA mode for Phone Auth:
              <label for="recaptcha-normal">
                <input type="radio" id="recaptcha-normal" name="recaptcha" value="normal">
                Normal
              </label>
              <label for="recaptcha-invisible">
                <input type="radio" id="recaptcha-invisible" name="recaptcha" value="invisible">
                Invisible
              </label><br>
              Email signInMethod:
     