anchor.diff:  
     <table class="table table-striped table-bordered">
       <thead>
  -      <tr>
  +      <tr class="table-header">
           <th scope="col">Name and email</th>
           <th scope="col">Role</th>
           <th scope="col">Sign-in count</th>
  
positive.code:   </table>
  
    <%= render partial: "pagination" %>
  
  </div>
  
negative.code: <% content_for :title, "User accounts" %>
  
  <div class="page-title">
    <h1>User accounts</h1>
  </div>
  
    <div class="row">
      <div class="col-md-7">
        <div>
          <%= form_tag "", method: "get", class: "pull-left form-inline" do %>
            <label>
              <strong>Filter by name or email:</strong>
              <%= text_field_tag "filter", params[:filter], class: 'form-control' %>
            </label>
            <%= submit_tag "Search", class: "btn btn-primary" %>
          <% end %>
          <%= form_tag "", method: "get" do %>
            <%= hidden_field_tag "filter" %>
            <%= submit_tag "Clear", class: "btn btn-default" %>
          <% end %>
        </div>
      </div>
      <div class="col-md-5">
        <div class="pull-right">
          <%= link_to "Create new user", new_user_invitation_path, class: "btn btn-success text-left" %>
          <% if can? :create, BatchInvitation %>
            <%= link_to "Upload a batch of users", new_admin_batch_invitation_path, class: "btn btn-default text-right" %>
          <% end %>
        </div>
      </div>
  