diff --git a/django/contatti_app/admin.py b/django/contatti_app/admin.py
index 05453ac..4e7ffef 100644
--- a/django/contatti_app/admin.py
+++ b/django/contatti_app/admin.py
@@ -23,6 +23,10 @@ class AutocompleteAdmin(admin.ModelAdmin):
         js = ('admin/js/autocomplete_auto_focus.js', )
 
 
+class StackedInlineCollassati(AutocompleteAdmin):
+    class Media:
+        js = ('admin/js/stacked_inline_collassati.js',)
+        css = { 'all': ('admin/css/stacked_inline_collassati.css',)}
 
 
 class HiddenIfNotSuperuser(admin.ModelAdmin):
@@ -142,7 +146,7 @@ class VoceContattoRubricaInline(StackedPolymorphicInline):
 
 
 @admin.register(models.PersonaFisica)
-class PersonaFisicaAdmin(PolymorphicInlineSupportMixin, PolymorphicChildModelAdmin):
+class PersonaFisicaAdmin(PolymorphicInlineSupportMixin, PolymorphicChildModelAdmin, StackedInlineCollassati):
     # resource = resources.PersonaFisicaResource
     # list_per_page = 15
     # paginator = CachingPaginator
@@ -154,7 +158,7 @@ class PersonaFisicaAdmin(PolymorphicInlineSupportMixin, PolymorphicChildModelAdm
 
 
 @admin.register(models.PersonaGiuridica)
-class PersonaGiuridicaAdmin(PolymorphicInlineSupportMixin, PolymorphicChildModelAdmin):
+class PersonaGiuridicaAdmin(PolymorphicInlineSupportMixin, PolymorphicChildModelAdmin, StackedInlineCollassati):
     # resource = resources.PersonaGiuridicaResource
     # list_per_page = 15
     # paginator = CachingPaginator
diff --git a/django/static/admin/css/stacked_inline_collassati.css b/django/static/admin/css/stacked_inline_collassati.css
new file mode 100644
index 0000000..93a97dc
--- /dev/null
+++ b/django/static/admin/css/stacked_inline_collassati.css
@@ -0,0 +1,6 @@
+.inline_label {
+    margin-left: 20px;
+    font-weight: normal;
+    font-size: 18px;
+}
+  
\ No newline at end of file
diff --git a/django/static/admin/js/stacked_inline_collassati.js b/django/static/admin/js/stacked_inline_collassati.js
new file mode 100644
index 0000000..83f09d1
--- /dev/null
+++ b/django/static/admin/js/stacked_inline_collassati.js
@@ -0,0 +1,13 @@
+function fieldset_from_h3(obj) {
+    return obj.parentNode.getElementsByTagName('fieldset')[0];
+}
+
+document.addEventListener("DOMContentLoaded", function (event) {
+    document
+        .querySelectorAll('div.inline-related:not(.empty-form) > h3')
+        .forEach(x => {
+            x.addEventListener("click", ev => fieldset_from_h3(ev.currentTarget).classList.toggle('hidden'), false);
+            x.style.cursor = "pointer";
+            fieldset_from_h3(x).classList.add('hidden');
+        });
+});
\ No newline at end of file