anchor.diff: -<ul id="desktop-user-dropdown" class="dropdown-content">
  -  <li><%= link_to 'Your author profile', current_user if current_user %></li>
  -  <li><%= link_to 'Account settings', edit_user_registration_path %></li>
  -  <li class="divider"></li>
  -  <li><%= link_to 'Report a problem', 'https://docs.google.com/forms/d/e/1FAIpQLSe0jnqJlcPJDqwogGere5j8-8F1nSGGYkzbsI-XkOeMnGwLrA/viewform', target: '_new' %></li>
  -  <li><%= link_to 'Request a feature', 'https://docs.google.com/forms/d/e/1FAIpQLScOhSMdDqWqJu9HGPQdmd0R9s90_AcSo0g6_Nc1qNjQIbSaXA/viewform', target: '_new' %></li>
  -  <li><%= link_to 'Leave feedback', 'https://docs.google.com/forms/d/e/1FAIpQLScZWEVMgm8hBWIIVj1LPzo0GqflmWUrLQlc4TAYqsaS087oAA/viewform', target: '_new' %></li>
  -  <li class="divider"></li>
  -  <li><%= link_to 'Notebook downloads', notebook_export_path %></li>
  -  <li><%= link_to 'Privacy policy', privacy_policy_path %></li>
  -  <li class="divider"></li>
  -  <li><%= link_to "Sign out", destroy_user_session_path %></li>
  -</ul>
  -
  -<ul id="mobile-user-dropdown" class="dropdown-content">
  +<ul id="user-dropdown" class="dropdown-content">
     <li><%= link_to 'Dashboard', root_url if current_user %></li>
     <li><%= link_to 'Your author profile', current_user if current_user %></li>
     <li><%= link_to 'Account settings', edit_user_registration_path %></li>
  
positive.code:     <div class="nav-wrapper">
        <%= link_to 'Notebook', root_url, class: 'brand-logo center' %>
  
        <ul class="right hide-on-med-and-up">
          <% if user_signed_in? %>
          <li>
            <a class="dropdown-button tooltipped" href="#!" data-activates="mobile-user-dropdown" data-position="bottom" data-delay="100" data-tooltip="Your content">
              <i class="material-icons">book</i>
            </a>
          </li>
          <% else %>
  
negative.code:           <li><%= link_to 'Sign up', new_user_registration_path %></li>
          <% end %>
        </ul>
  
        <ul class="left">
          <li>
            <a href="#" data-activates="slide-out" class="button-collapse">
  