anchor.diff:                <i class="glyphicon glyphicon-eye-open"></i>
               <% end %>
             </td>
  -          <td class="visible-md-block visible-lg-block">
  +          <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="visible-md-block visible-lg-block">
  +          <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 %>
  
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 %>
  