diff --git a/addons/web/static/src/views/form/form_controller.scss b/addons/web/static/src/views/form/form_controller.scss
index 2e820a5b8f4..015d7840915 100644
--- a/addons/web/static/src/views/form/form_controller.scss
+++ b/addons/web/static/src/views/form/form_controller.scss
@@ -42,6 +42,7 @@
             }
 
             .o_field_widget {
+                width: 100%;
                 margin-bottom: $o-form-spacing-unit * 2;
 
                 > .o_field_widget {
@@ -397,8 +398,6 @@
         }
 
         .o_field_widget {
-            width: 100%;
-
             > .btn {
                 flex: 0 0 auto;
                 padding: 0 10px;
diff --git a/addons/web/static/src/views/kanban/kanban_controller.scss b/addons/web/static/src/views/kanban/kanban_controller.scss
index 5e38955be1f..e61de8b079d 100644
--- a/addons/web/static/src/views/kanban/kanban_controller.scss
+++ b/addons/web/static/src/views/kanban/kanban_controller.scss
@@ -45,7 +45,7 @@
         margin-top: calc(var(--KanbanRecord-margin-h) * 2);
         padding: 8px;
 
-        .o_form_view .o_group.o_inner_group {
+        .o_form_view .o_inner_group {
             margin: 0;
         }
     }