diff --git a/src/styles/_markdown.scss b/src/styles/_markdown.scss
index 76c3de148..dfd0ff5d2 100644
--- a/src/styles/_markdown.scss
+++ b/src/styles/_markdown.scss
@@ -76,7 +76,8 @@ pre {
     visibility: hidden;
   }
 
-  &:hover .material-icons {
+  &:hover .material-icons,
+  &:focus .material-icons {
     visibility: visible;
   }
 }