     <div class="col-md-6">
                        <div class="panel panel-default">
                        <div class="panel-heading">
                            Icons Examples : 
                        </div>
                       
                        <div class="panel-body">
                            <br />  
                            <i class="fa fa-flask "></i>
                            
                             <i class="fa fa-flask fa-2x"></i>
                              <i class