diff --git a/packages/jupytercad-extension/style/base.css b/packages/jupytercad-extension/style/base.css
index 4afb4bf9..6db3465c 100644
--- a/packages/jupytercad-extension/style/base.css
+++ b/packages/jupytercad-extension/style/base.css
@@ -240,6 +240,7 @@ div.jpcad-toolbar-widget > div.jp-Toolbar-item:last-child {
 .jcad-FloatingAnnotation {
   position: absolute;
   width: 250px;
+  box-shadow: rgba(0, 0, 0, 0.2) 0px 3px 3px -2px, rgba(0, 0, 0, 0.14) 0px 3px 4px 0px, rgba(0, 0, 0, 0.12) 0px 1px 8px 0px;
 }
 
 .jpcad-Annotations {