anchor.diff:      <div class="nav-wrapper">
         <%= link_to 'Notebook', root_url, class: 'brand-logo center' %>
   
  -      <ul class="right hide-on-med-and-up">
  +      <ul class="right">
           <% 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 class="dropdown-button tooltipped" href="#!" data-activates="user-dropdown" data-position="bottom" data-delay="100" data-tooltip="Your content">
  +            <div class="hide-on-med-and-up"><i class="material-icons">book</i></div>
  +            <div class="hide-on-small-and-down"><%= current_user.name %> &nbsp; ▾</div>
             </a>
           </li>
           <% else %>
  
positive.code:           <li><%= link_to 'Sign up', new_user_registration_path %></li>
          <% end %>
        </ul>
        <ul class="right hide-on-small-and-down">
          <% if user_signed_in? %>
            <li>
              <a class="dropdown-button tooltipped" href="#!" data-activates="desktop-user-dropdown" data-position="bottom" data-delay="100" data-tooltip="You">
                <%= current_user.name %> &nbsp; ▾
              </a>
            </li>
          <% else %>
            <li><%= link_to 'Sign in', new_user_session_path %></li>
            <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">
  
negative.code: <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>
  