diff --git a/aio/src/styles/2-modules/_code.scss b/aio/src/styles/2-modules/_code.scss
index b2806bfa25..0e788ae48f 100644
--- a/aio/src/styles/2-modules/_code.scss
+++ b/aio/src/styles/2-modules/_code.scss
@@ -106,6 +106,9 @@ aio-code pre {
 }
 
 .code-tab-group .mat-tab-label {
+  &:hover {
+    background: rgba(black, 0.04);
+  }
   white-space: nowrap;
 }