Add `text-decoration` to highlight effect

Useful to preserve emphasis in e.g. grayscale print layout or vision deficiencies.

diff --git a/index.html b/index.html
index 82929702dae92f3f218431b6b0b882e2c49f3572..e48e5b750712b8631dc0612a8783f88e28b85744 100644 (file)
--- a/index.html
+++ b/index.html
@@ -145,6 +145,7 @@
 
       &::highlight(yellow) {
         background-color: yellow;
+        text-decoration: underline 3px;
       }
     }