diff --git a/AKSubmission/forms.py b/AKSubmission/forms.py
index 1529a661da6fdcaae695192ad8c073aa05382a06..3bf2bd645f84e702ecf29170b35a7b94dc9d64f2 100644
--- a/AKSubmission/forms.py
+++ b/AKSubmission/forms.py
@@ -1,12 +1,13 @@
 from django import forms
 from django.core.exceptions import ValidationError
+from django.utils.translation import ugettext_lazy as _
 
 from AKModel.models import AK, AKOwner
 
-from django.utils.translation import ugettext_lazy as _
-
 
 class AKForm(forms.ModelForm):
+    required_css_class = 'required'
+
     class Meta:
         model = AK
         fields = ['name',
@@ -83,7 +84,6 @@ class AKForm(forms.ModelForm):
 
 
 class AKSubmissionForm(AKForm):
-
     class Meta(AKForm.Meta):
         exclude = ['link']
 
@@ -93,7 +93,8 @@ class AKSubmissionForm(AKForm):
         self.fields["durations"] = forms.CharField(
             widget=forms.Textarea,
             label=_("Duration(s)"),
-            help_text=_("Enter at least one planned duration (in hours). If your AK should have multiple slots, use multiple lines")
+            help_text=_(
+                "Enter at least one planned duration (in hours). If your AK should have multiple slots, use multiple lines")
         )
 
 
@@ -112,6 +113,8 @@ class AKWishForm(AKSubmissionForm):
 
 
 class AKOwnerForm(forms.ModelForm):
+    required_css_class = 'required'
+
     class Meta:
         model = AKOwner
         fields = ['name', 'email', 'institution', 'link']
diff --git a/static_common/common/css/custom.css b/static_common/common/css/custom.css
new file mode 100644
index 0000000000000000000000000000000000000000..3f26ff56455004b44ea1571fdb68f2299bfff3c7
--- /dev/null
+++ b/static_common/common/css/custom.css
@@ -0,0 +1,3 @@
+.form-group.required {
+    font-weight: bold;
+}
\ No newline at end of file
diff --git a/templates/base.html b/templates/base.html
index 412b61095cac80628969ee5b75f3d0c9457deb8d..ad0c138aeac5978294db8fe0ed8114ba14ed02a0 100644
--- a/templates/base.html
+++ b/templates/base.html
@@ -14,6 +14,8 @@
     {% bootstrap_javascript jquery='slim' %}
     {% fontawesome_stylesheet %}
 
+    <link rel="stylesheet" href="{% static 'common/css/custom.css' %}">
+
     {% block imports %}{% endblock %}
 </head>
 <body>