diff --git a/style/shiny/base.css b/style/shiny/base.css
index e98e724..7cef849 100644
--- a/style/shiny/base.css
+++ b/style/shiny/base.css
@@ -234,6 +234,11 @@ p {
   hyphens: auto;
 }
 
+del {
+  text-decoration: line-through wavy;
+  text-decoration-thickness: 2px;
+}
+
 
 .threecol {
   columns: 3;