diff --git a/src/Scrollyteller/index.tsx b/src/Scrollyteller/index.tsx
index 71c9be0..62b83f6 100644
--- a/src/Scrollyteller/index.tsx
+++ b/src/Scrollyteller/index.tsx
@@ -116,6 +116,7 @@ const Scrollyteller = React.memo((props: Props) => {
         return React.createElement(props.panelComponent || Panel, {
           className: cn([
             props.panelClassName,
+            panelStyles.base,
             panel.className,
             index === 0 && props.firstPanelClassName,
             index === 0 && panelStyles.first,