diff --git a/css/components.css b/css/components.css
index cf2cd32..ebf4075 100644
--- a/css/components.css
+++ b/css/components.css
@@ -216,3 +216,6 @@ ul.inline li a {
 .scrolltop:hover {
   background: var(--secondary);
 }
+.vertical-tabs {
+  background: #fff;
+}