anchor.diff:          <tr>
             <td><%= myactivity.name %></td>
             <td><%= local_relative_time(myactivity.start, type: 'time-or-date') %></td>
  -          <td class="visible-md-block"><%= local_relative_time(myactivity.end, type: 'time-or-date') %></td>
  -          <td><%= myactivity.location %></td>
  -          <td class="visible-md-block" style="text-align: center;">
  +          <td class="hidden-sm hidden-xs"><%= local_relative_time(myactivity.end, type: 'time-or-date') %></td>
  +          <td class="hidden-sm hidden-xs"><%= myactivity.location %></td>
  +          <td class="hidden-sm hidden-xs" style="text-align: center;">
               <% if myactivity.permission_slip %>
                 <span class="glyphicon glyphicon-ok" aria-hidden="true"></span>
               <% else %>
  
positive.code:       <th>Activity Name</th>
        <th>Start Date</th>
        <th class="hidden-sm hidden-xs">End Date</th>
        <th>Location</th>
        <th class="hidden-sm hidden-xs">Permission Slip</th>
        <th>Show Activity</th>
        <th class="hidden-sm hidden-xs">Edit Activity</th>
  
negative.code:               <i class="glyphicon glyphicon-eye-open"></i>
              <% end %>
            </td>
            <td class="hidden-sm hidden-xs">
              <%= link_to edit_activity_path(myactivity), class: "btn btn-info" do %>
                <i class="glyphicon glyphicon-pencil"></i>
              <% end %>
            </td>
            <td class="hidden-sm hidden-xs">
              <%= link_to activity_path(myactivity), method: :delete, class: "btn btn-danger" do %>
                <i class="glyphicon glyphicon-trash"></i>
              <% end %>
  