diff --git a/src/theme/BlogSidebar/Desktop/styles.module.css b/src/theme/BlogSidebar/Desktop/styles.module.css
index 0e65e71..0217452 100644
--- a/src/theme/BlogSidebar/Desktop/styles.module.css
+++ b/src/theme/BlogSidebar/Desktop/styles.module.css
@@ -3,6 +3,8 @@
   overflow-y: auto;
   position: sticky;
   top: calc(var(--ifm-navbar-height) + 2rem);
+  padding-right: 1px;
+  border-right: 1px solid var(--ifm-toc-border-color);
 }
 
 .sidebarItemTitle {