anchor.diff:        href="#">
           <i class="fa fa-facebook-official" aria-hidden="true"></i>
       </a>
  +  </span>
  +  <span
  +    data-title="Check out this link on crowdAI "
  +    data-desc='Share to Twitter'
  +    data-url='<%= "#{request.base_url}/#{submission.short_url}?utm_source=crowdAI&utm_medium=Twitter" %>'>
       <a
  +      data-url='<%= "#{request.base_url}/#{submission.short_url}?utm_source=crowdAI&utm_medium=Twitter" %>'
         class="btn btn-secondary btn-twitter"
         rel="nofollow"
         data-site="twitter"
  
positive.code:       href="#">
          <i class="fa fa-twitter" aria-hidden="true"></i>
      </a>
    </div>
  </div>
  <!--Detail add comment end-->
  
negative.code:       onclick="copyLink()"
        class='btn btn-secondary'>Copy URL</button>
    </div>
    <div>
      <span
        data-title="Check out this link on crowdAI "
        data-desc='Share to Facebook'
        data-url='<%= "#{request.base_url}/#{submission.short_url}?utm_source=crowdAI&utm_medium=Facebook" %>'>
      <a
        class="btn btn-secondary btn-facebook"
        rel="nofollow"
  