
                  <!-- area chart -->
                  <div class="card card-default" >
                    <div class="card-header d-block d-md-flex justify-content-between">
                      <h2>World Wide Customer </h2>
                      <div class="dropdown show d-inline-block widget-dropdown ml-auto">
                        <a class="dropdown-toggle" href="#" role="button" id="world-dropdown" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false" data-display="static">
          