anchor.diff:        .col-xs-6.text-right {{mathSymbol}}
         .col-xs-6.text-left {{secondNumber}}
   
  -    hr
  +  hr
   
  -    form.form-horizontal(role='form', ng-submit='verify()', ng-keypress='hideResponse()')
  -        .form-group
  -          .col-sm-3
  -          .col-sm-6
  -            //- label.col-sm-4.control-label.input-lg(for='answer') Answer:
  -            input.form-control.input-lg(id='answer', size='5', type='number', autofocus, placeholder='Enter your answer', ng-model='enteredAnswer')
  -          .col-sm-3
  +  form.form-horizontal(role='form', ng-submit='verify()', ng-keypress='hideResponse()')
  +      .form-group
  +        .col-sm-3
  +        .col-sm-6
  +          //- label.col-sm-4.control-label.input-lg(for='answer') Answer:
  +          input.form-control.input-lg(id='answer', size='5', type='number', autofocus, placeholder='Enter your answer', ng-model='enteredAnswer')
  +        .col-sm-3
   
  -      hr
  +  hr
   
  -      .row
  -        .col-sm-3
  -        .col-sm-3
  -          a.btn.btn-lg.btn-success(ng-click='verify()') Check Answer
  -        .col-sm-3
  -          a.btn.btn-lg.btn-primary(ng-click='nextQuestion()') Skip Question
  -        .col-sm-3
  +  .row
  +    .col-sm-3
  +    .col-sm-3
  +      a.btn.btn-lg.btn-success(ng-click='verify()') Check Answer
  +    .col-sm-3
  +      a.btn.btn-lg.btn-primary(ng-click='nextQuestion()') Skip Question
  +    .col-sm-3
   
     .h4.text-muted
       .row
  
positive.code: 
    div(ng-include='"components/navbar/navbar.html"')
  
    .h1
      .row
        .col-xs-6.text-right Score:
        .col-xs-6.text-left {{score}}
  
    .well.h1
      .row
  
negative.code:       .col-xs-6.text-right Largest Number:
        .col-xs-6.text-left {{selectedMaxNumber}}
  
    div(ng-include='"components/footer/footer.html"')
  
    .img-result
      img.img-responsive(ng-src='{{responseSrc}}', ng-click='hideResponse()', ng-show='displayResponse')