anchor.diff:        <%= submit_tag 'Search', class: 'btn btn-primary' %>
       </div>
   <% end %>
  -<table id="hosts" class="table" style="table-layout: fixed;">
  +<table id="hosts" class="table">
     <tr>
       <th>Name</th>
       <th>Gender preference</th>
  
positive.code:         <td><%= bool_to_friendly(a.extraday) %></td>
          <td><%= a.get_free_beds %></td>
          <td><%= bool_to_friendly(a.beenhost) %></td>
          <td style="word-wrap: break-word;"><%= a.comments %></td>
          <td><%= link_to 'Details', a %></td>
        </tr>
    <% end %>
  </table>
  
negative.code:     <th>Extra day</th>
      <th>Available spaces</th>
      <th>Hosted before</th>
    </tr>
  
    <% @hosts.each do |a| %>
        <tr>
          <td><%= link_to a.firstname + ' ' + a.lastname, a %></td>
  
          <td><%= gender_pref_to_friendly(a.sex) %></td>
          <td><%= bool_to_friendly(a.isstudent) %></td>
          <td><%= bool_to_friendly(a.animales) %></td>
  