How Resize Item-Icon-Right In Side Menu Drop Down

How change size item-icon-right in side menu drop down?

Controller Code for side menu drop down :

var i = 1;
$scope.groups = [i];

$scope.toggleGroup = function(group) {
if ($scope.isGroupShown(group)) {
$scope.shownGroup = null;
} else {
$scope.shownGroup = group;
}
};
$scope.isGroupShown = function(group) {
return $scope.shownGroup === group;
};

Item icon right :

  • Drop down I mean but the size of chevron right too big :
    image
  • Code :
    image

-> I want size ion-chevron like this :
image

-> Code : only difference with the above code in section class="item-stable"