anchor.diff:            <% end %>
           <% else %>
             <%= link_to sign_in_path, class: "d-flex justify-content-between py-2" do %>
  -            <div class="c-sidebar__icon text-muted">
  +            <div class="c-sidebar__icon mr-1 text-center text-muted">
                 <i class="fal fa-sign-in"></i>
               </div>
   
  
positive.code:       ].each do |page_type, icon_name, link_text| %>
          <li>
            <%= link_to "/works/#{page_type}", class: "d-flex justify-content-between py-2" do %>
              <div class="c-sidebar__icon text-muted">
                <i class="fal fa-<%= icon_name %>"></i>
              </div>
  
  
negative.code:     <ul class="list-unstyled px-3">
        <li>
          <%= link_to root_path, class: "d-flex justify-content-between py-2" do %>
            <div class="c-sidebar__icon mr-1 text-center text-muted">
              <i class="fal fa-home"></i>
            </div>
  
  