quiz.html

<form>
    <span bind-html-unsafe="html"></span>
    <input type="hidden" name="attempt_number">
</form>
<button class="btn btn-primary quiz-submit-button" data-ng-click="quizSubmit()" type="button" data-ng-show="submit">Submit</button>
<button class="btn btn-default quiz-skip-button" data-ng-click="quizSkip()" type="button" data-ng-show="skip">Skip</button>
<button class="btn btn-success quiz-continue-button" data-ng-click="quizContinue()" type="button" data-ng-show="continue_btn">Continue</button>
<button class="btn btn-info quiz-show-explanation" data-ng-click="quizShowExplanation()" type="button" data-ng-show="explanation">Explanation</button>
<div class="alert alert-warning alert-dismissable quiz-status" data-ng-show="status">
  <button type="button" class="close" data-ng-click="status=''" aria-hidden="true">&times;</button>
  {{ status }}
</div>