diff --git a/gh.css b/gh.css
index 10a987b..50ccc8b 100644
--- a/gh.css
+++ b/gh.css
@@ -1,5 +1,9 @@
 /* Override some default styles for a hopefully fresher look. */
 
+.strike {
+  text-decoration: line-through;
+}
+
 /*** racket.css ***/
 
 /* Monospace: */