diff --git a/website/assets/css/_components/_sidebar.sass b/website/assets/css/_components/_sidebar.sass
index 1f85183c3..50319929d 100644
--- a/website/assets/css/_components/_sidebar.sass
+++ b/website/assets/css/_components/_sidebar.sass
@@ -41,3 +41,4 @@
     .is-active
         font-weight: bold
         color: $color-theme
+        background: rgba($color-subtle, 0.4)