code: function handleOffsetChange (left) {
      var elements = getElements();
      var newValue = ((ctrl.shouldCenterTabs || isRtl() ? '' : '-') + left + 'px');
  
      // Fix double-negative which can happen with RTL support
      newValue = newValue.replace('--', '');
  
      angular.element(elements.paging).css($mdConstant.CSS.TRANSFORM, 'translate3d(' + newValue + ', 0, 0)');
      $scope.$broadcast('$mdTabsPaginationChanged');
    }
docs: Apply ctrl.offsetLeft to the paging element when it changes
  @param left