anchor.diff:                <span>Hour Price <b><%= trainer.hour_price%> KM</b></span>
               </div>
               <div class="clearfix"></div>
  -
  +            <% if session[:user_id] %>
               <div style="padding-left: 20px; padding-top: 10px;">
               <%= link_to trainer_path(trainer), :class => "btn btn-sm btn-danger", :method => :delete, :title => 'Delete Trainer', :confirm => "Are you sure?" do%>
                 <span>Delete Trainer</span>
               <% end %>
               </div>
  -
  +            
   
   
             <div class="control-group">
  
positive.code:             </button>
              </div>
              </div> 
  
              <div class="row"> 
  
  
  
negative.code: 
      <div class="container">
        <div class="control-group">
          <% if session[:user_id] %>
          <button id="create_trainer" class="btn btn-default btn-info" type="button">
            Create Trainer
          </button>
          <% end %>
        </div>
        <br />
  
  