div>
        <p id="challenge_choice_message"></p>
        <div class="radio">
            <input id="radio-1" name="option" type="radio" value="1" checked>
            <label for="radio-1" class="radio-label" style="padding: 10px 18px;background: #f8f8f8;width: 100%;border-bottom: 1px solid #0000000f;" id="challenge_choice_email_radio"></label>
        </div>

        <div class="radio">
            <input id="radio-2" name="option" type="radio" value="2">
            <label for="radio-2" class="r