diff --git a/plugins/diopser/src/editor/theme.css b/plugins/diopser/src/editor/theme.css
index 390217c6..de4484ac 100644
--- a/plugins/diopser/src/editor/theme.css
+++ b/plugins/diopser/src/editor/theme.css
@@ -35,3 +35,10 @@ param-button.safe-mode:checked {
 xy-pad {
   overflow: hidden;
 }
+
+xy-pad__handle {
+  background-color: #e5e5e5;
+  border-color: #0a0a0a;
+  border-width: 1px;
+  border-radius: 50%;
+}