code: function(content) {
          // AJAX is currently loading
          if (content === true) {
              return;
          }
  
          // Hide blackout loading message
          if (this.blackout) {
              this.blackout.hideLoader();
          }
  
          this.fireEvent('showing');
  
          var body = this.element.find(this.ns('content'));
              body.html(content);
  
          this.fireEvent('load', [content]);
  
          // Reveal modal
          this.element.reveal();
  
          // Resize modal
          if (this.options.fullScreen) {
              body.css('min-height', $(window).height());
          }
  
          this.fireEvent('shown');
      }
docs: Position the modal in the center of the screen.
  
  @param {String|jQuery} content