anchor.diff:        <div class="container">
           <div class="row">
             <div class="col-lg-12 text-center">
  -            <h2 class="section-heading">At Your Service</h2>
  +            <h2 class="section-heading">SERVICE</h2>
               <hr class="my-4">
             </div>
           </div>
  
positive.code:         <div class="row">
            <div class="col-lg-3 col-md-6 text-center">
              <div class="service-box mt-5 mx-auto">
                <i class="fa fa-4x fa-diamond text-primary mb-3 sr-icons"></i>
                <h3 class="mb-3">Sturdy Templates</h3>
                <p class="text-muted mb-0">Our templates are updated regularly so they don't break.</p>
              </div>
            </div>
            <div class="col-lg-3 col-md-6 text-center">
              <div class="service-box mt-5 mx-auto">
                <i class="fa fa-4x fa-paper-plane text-primary mb-3 sr-icons"></i>
                <h3 class="mb-3">Ready to Ship</h3>
                <p class="text-muted mb-0">You can use this theme as is, or you can make changes!</p>
              </div>
            </div>
            <div class="col-lg-3 col-md-6 text-center">
              <div class="service-box mt-5 mx-auto">
                <i class="fa fa-4x fa-newspaper-o text-primary mb-3 sr-icons"></i>
                <h3 class="mb-3">Up to Date</h3>
                <p class="text-muted mb-0">We update dependencies to keep things fresh.</p>
              </div>
            </div>
            <div class="col-lg-3 col-md-6 text-center">
              <div class="service-box mt-5 mx-auto">
                <i class="fa fa-4x fa-heart text-primary mb-3 sr-icons"></i>
                <h3 class="mb-3">Made with Love</h3>
                <p class="text-muted mb-0">You have to make your websites with love these days!</p>
              </div>
            </div>
          </div>
  
negative.code:             <h2 class="section-heading text-white">HighFiveとは</h2>
              <hr class="light my-4">
              <p class="text-faded mb-4">手相により恋愛相談相手をマッチングさせます。</p>
              <p class="text-faded mb-4">手相占いをすることで「恋愛の傾向」「思考パターン」を知ることができます。</p>
              <p class="text-faded mb-4">恋愛の価値観が近い人と相談することで悩みを解決に導きます。</p>
              <%= link_to 'Facebookではじめる', user_facebook_omniauth_authorize_path, class:'btn btn-fb btn-xl js-scroll-trigger' %>
            </div>
          </div>
        </div>
  