diff --git a/src/agenda_culturel/forms.py b/src/agenda_culturel/forms.py
index f76c568..89511c7 100644
--- a/src/agenda_culturel/forms.py
+++ b/src/agenda_culturel/forms.py
@@ -42,6 +42,8 @@ logger = logging.getLogger(__name__)
 
 
 class TagForm(ModelForm):
+    required_css_class = 'required'
+
     class Meta:
         model = Tag
         fields = ["name", "description", "in_included_suggestions", "in_excluded_suggestions", "principal", "category"]
@@ -50,6 +52,8 @@ class TagForm(ModelForm):
         }
 
 class TagRenameForm(Form):
+    required_css_class = 'required'
+
     name = CharField(
         label=_('Name of new tag'),
         required=True
@@ -77,6 +81,8 @@ class TagRenameForm(Form):
         return "force" in self.fields and self.cleaned_data["force"] == True
 
 class URLSubmissionForm(Form):
+    required_css_class = 'required'
+
     url = URLField(max_length=512)
     category = ModelChoiceField(
         label=_("Category"),
@@ -109,6 +115,8 @@ class DynamicArrayWidgetTags(DynamicArrayWidget):
 
 
 class RecurrentImportForm(ModelForm):
+    required_css_class = 'required'
+
     class Meta:
         model = RecurrentImport
         fields = "__all__"
@@ -118,12 +126,16 @@ class RecurrentImportForm(ModelForm):
 
 
 class CategorisationRuleImportForm(ModelForm):
+    required_css_class = 'required'
+
     class Meta:
         model = CategorisationRule
         fields = "__all__"
 
 
 class EventForm(ModelForm):
+    required_css_class = 'required'
+
     old_local_image = CharField(widget=HiddenInput(), required=False)
 
     tags = MultipleChoiceField(
@@ -225,6 +237,7 @@ class MultipleChoiceFieldAcceptAll(MultipleChoiceField):
 
 
 class EventModerateForm(ModelForm):
+    required_css_class = 'required'
 
     tags = MultipleChoiceField(
         label=_("Tags"),
@@ -271,6 +284,8 @@ class EventModerateForm(ModelForm):
 
 
 class BatchImportationForm(Form):
+    required_css_class = 'required'
+
     json = CharField(
         label="JSON",
         widget=Textarea(attrs={"rows": "10"}),
@@ -280,6 +295,8 @@ class BatchImportationForm(Form):
 
 
 class FixDuplicates(Form):
+    required_css_class = 'required'
+
     action = ChoiceField()
 
     def __init__(self, *args, **kwargs):
@@ -364,6 +381,8 @@ class FixDuplicates(Form):
 
 
 class SelectEventInList(Form):
+    required_css_class = 'required'
+
     event = ChoiceField()
 
     def __init__(self, *args, **kwargs):
@@ -376,6 +395,8 @@ class SelectEventInList(Form):
 
 
 class MergeDuplicates(Form):
+    required_css_class = 'required'
+
     checkboxes_fields = ["reference_urls", "description"]
 
     def __init__(self, *args, **kwargs):
@@ -524,6 +545,8 @@ class MergeDuplicates(Form):
 
 
 class CategorisationForm(Form):
+    required_css_class = 'required'
+
     def __init__(self, *args, **kwargs):
         if "events" in kwargs:
             events = kwargs.pop("events", None)
@@ -554,6 +577,8 @@ class CategorisationForm(Form):
 
 
 class EventAddPlaceForm(Form):
+    required_css_class = 'required'
+
     place = ModelChoiceField(
         label=_("Place"),
         queryset=Place.objects.all().order_by("name"),
@@ -591,6 +616,8 @@ class EventAddPlaceForm(Form):
 
 
 class PlaceForm(ModelForm):
+    required_css_class = 'required'
+
     apply_to_all = BooleanField(
         initial=True,
         label=_(
diff --git a/src/agenda_culturel/static/style.scss b/src/agenda_culturel/static/style.scss
index 88a6c6c..38f80b3 100644
--- a/src/agenda_culturel/static/style.scss
+++ b/src/agenda_culturel/static/style.scss
@@ -1442,4 +1442,9 @@ form.messages div, form.moderation-events {
 .moderate-preview .event-body {
     max-height: 400px;
     overflow-y: auto;
+}
+
+label.required::after {
+    content: ' *';
+    color: red;
 }
\ No newline at end of file