wp_show.widget

wp_show.widget.php

<div class="row">
        <div class="col-md-4">
          <?php if(is_active_sidebar( 'front-left' )):

             dynamic_sidebar( 'front-left' );

            endif; 
          ?>
        </div>
        <div class="col-md-4">
          <?php if(is_active_sidebar( 'front-center' )):

             dynamic_sidebar( 'front-center' );

            endif; 
          ?>
       </div>
        <div class="col-md-4">
          <?php if(is_active_sidebar( 'front-right' )):

             dynamic_sidebar( 'front-right' );

            endif; 
          ?>
      </div>
</div> <!-- end row -->