diff --git a/idhub/admin/forms.py b/idhub/admin/forms.py
index 2293aac..8354422 100644
--- a/idhub/admin/forms.py
+++ b/idhub/admin/forms.py
@@ -3,7 +3,7 @@ from django.contrib.auth.models import User
 
 
 class ProfileForm(forms.ModelForm):
-    MANDATORY_FIELDS = ['first_name', 'last_name', 'email']
+    MANDATORY_FIELDS = ['first_name', 'last_name', 'email', 'username']
 
     class Meta:
         model = User
diff --git a/idhub/admin/views.py b/idhub/admin/views.py
index 26852c7..a6f9807 100644
--- a/idhub/admin/views.py
+++ b/idhub/admin/views.py
@@ -81,6 +81,10 @@ class AdminPeopleActivateView(AdminPeopleView):
         self.pk = kwargs['pk']
         self.object = get_object_or_404(self.model, pk=self.pk)
 
+        if self.object == self.request.user:
+            messages.error(self.request, _('Is not possible deactivate your account!'))
+            return redirect('idhub:admin_people', self.object.id)
+
         if self.object.is_active:
             self.object.is_active = False
         else:
@@ -96,14 +100,17 @@ class AdminPeopleDeleteView(AdminPeopleView):
         self.pk = kwargs['pk']
         self.object = get_object_or_404(self.model, pk=self.pk)
 
-        self.object.delete()
+        if self.object != self.request.user:
+            self.object.delete()
+        else:
+            messages.error(self.request, _('Is not possible delete your account!'))
 
         return redirect('idhub:admin_people_list')
             
 class AdminPeopleEditView(AdminPeopleView, UpdateView):
     template_name = "idhub/admin_user_edit.html"
     from_class = ProfileForm
-    fields = ('first_name', 'last_name', 'email')
+    fields = ('first_name', 'last_name', 'email', 'username')
     success_url = reverse_lazy('idhub:admin_people_list')
 
 
@@ -113,7 +120,7 @@ class AdminPeopleRegisterView(People, CreateView):
     icon = 'bi bi-person'
     model = User
     from_class = ProfileForm
-    fields = ('first_name', 'last_name', 'email')
+    fields = ('first_name', 'last_name', 'email', 'username')
     success_url = reverse_lazy('idhub:admin_people_list')
 
 
diff --git a/idhub/templates/idhub/admin_people_register.html b/idhub/templates/idhub/admin_people_register.html
index a48b4de..52a667f 100644
--- a/idhub/templates/idhub/admin_people_register.html
+++ b/idhub/templates/idhub/admin_people_register.html
@@ -13,19 +13,17 @@
 <div class="alert alert-danger alert-icon alert-icon-border alert-dismissible" role="alert">
   <div class="icon"><span class="mdi mdi-close-circle-o"></span></div>
   <div class="message">
-    <button class="close" type="button" data-dismiss="alert" aria-label="Close">
-    <span class="mdi mdi-close" aria-hidden="true"></span>
-    </button>
     {% for field, error in form.errors.items %}
-      {{ error }}
+      {{ error }}<br />
     {% endfor %}
+    <button class="btn-close" type="button" data-dismiss="alert" aria-label="Close"></button>
   </div>
 </div>
 {% endif %}
 {% bootstrap_form form %}
 <div class="form-actions-no-box">
-  <a class="btn btn-secondary" href="{% url 'idhub:user_profile' %}">{% translate "Cancel" %}</a>
-  <input class="btn btn-success" type="submit" name="submit" value="{% translate 'Save' %}" />
+  <a class="btn btn-grey" href="{% url 'idhub:admin_people_list' %}">{% translate "Cancel" %}</a>
+  <input class="btn btn-green-admin" type="submit" name="submit" value="{% translate 'Save' %}" />
 </div>
 
 </form>
diff --git a/idhub/templates/idhub/admin_user.html b/idhub/templates/idhub/admin_user.html
index 4400ef1..92ee4e1 100644
--- a/idhub/templates/idhub/admin_user.html
+++ b/idhub/templates/idhub/admin_user.html
@@ -4,7 +4,7 @@
 {% block content %}
 <div class="row">
   <div class="col">
-    <h3 class="{% if not object.is_active %}bg-danger text-white{% endif %}">
+    <h3 class="{% if not object.is_active %}alert alert-danger{% endif %}">
       <i class="{{ icon }}"></i>
       {{ subtitle }}
     </h3>
diff --git a/idhub/templates/idhub/admin_user_edit.html b/idhub/templates/idhub/admin_user_edit.html
index a48b4de..f599d81 100644
--- a/idhub/templates/idhub/admin_user_edit.html
+++ b/idhub/templates/idhub/admin_user_edit.html
@@ -24,8 +24,8 @@
 {% endif %}
 {% bootstrap_form form %}
 <div class="form-actions-no-box">
-  <a class="btn btn-secondary" href="{% url 'idhub:user_profile' %}">{% translate "Cancel" %}</a>
-  <input class="btn btn-success" type="submit" name="submit" value="{% translate 'Save' %}" />
+  <a class="btn btn-grey" href="{% url 'idhub:admin_people' object.id %}">{% translate "Cancel" %}</a>
+  <input class="btn btn-green-admin" type="submit" name="submit" value="{% translate 'Save' %}" />
 </div>
 
 </form>
diff --git a/idhub/templates/idhub/base.html b/idhub/templates/idhub/base.html
index daaf793..17627ad 100644
--- a/idhub/templates/idhub/base.html
+++ b/idhub/templates/idhub/base.html
@@ -128,10 +128,9 @@
         <main class="col-md-9 ms-sm-auto col-lg-10 px-md-4">
           {% block messages %}
             {% for message in messages %}
-              <div class="alert alert-{{ message.tags|default:'info' }} alert-dismissible fade show" role="alert">
+              <div class="alert {{ message.tags|default:'info' }} alert-dismissible fade show mt-3" role="alert">
                 {{ message }}
-                <button type="button" class="close" data-dismiss="alert" aria-label="Close">
-                  <span aria-hidden="true">&times;</span>
+                <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close">
                 </button>
               </div>
             {% endfor %}
diff --git a/idhub/templates/idhub/base_admin.html b/idhub/templates/idhub/base_admin.html
index bbb9251..8f8e3aa 100644
--- a/idhub/templates/idhub/base_admin.html
+++ b/idhub/templates/idhub/base_admin.html
@@ -199,10 +199,9 @@
         <main class="col-md-9 ms-sm-auto col-lg-10 px-md-4">
           {% block messages %}
             {% for message in messages %}
-              <div class="alert alert-{{ message.tags|default:'info' }} alert-dismissible fade show" role="alert">
+              <div class="alert {{ message.tags|default:'info' }} alert-dismissible fade show mt-3" role="alert">
                 {{ message }}
-                <button type="button" class="close" data-dismiss="alert" aria-label="Close">
-                  <span aria-hidden="true">&times;</span>
+                <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close">
                 </button>
               </div>
             {% endfor %}
diff --git a/trustchain_idhub/settings.py b/trustchain_idhub/settings.py
index ece4f60..57bd8ba 100644
--- a/trustchain_idhub/settings.py
+++ b/trustchain_idhub/settings.py
@@ -11,6 +11,8 @@ https://docs.djangoproject.com/en/4.2/ref/settings/
 """
 
 from pathlib import Path
+from django.contrib.messages import constants as messages
+
 
 # Build paths inside the project like this: BASE_DIR / 'subdir'.
 BASE_DIR = Path(__file__).resolve().parent.parent
@@ -125,3 +127,11 @@ STATIC_URL = 'static/'
 
 DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'
 LOGOUT_REDIRECT_URL = 'idhub:login'
+
+MESSAGE_TAGS = {
+        messages.DEBUG: 'alert-secondary',
+        messages.INFO: 'alert-info',
+        messages.SUCCESS: 'alert-success',
+        messages.WARNING: 'alert-warning',
+        messages.ERROR: 'alert-danger',
+ }