Fix is_tab field alignment from rank's admin form

misago/templates/misago/admin/ranks/form.html

@@ -57,7 +57,7 @@ class="form-horizontal"
       <legend>{% trans "Display and visibility" %}</legend>
 
       {% form_row form.css_class label_class field_class %}
-      {% form_row form.is_tab "col-md-offset-3" field_class %}
+      {% form_row form.is_tab "col-md-3" field_class %}
 
     </fieldset>
   {% endwith %}