diff --git a/css/21.css b/css/21.css
index 2e3809e..ff85f95 100644
--- a/css/21.css
+++ b/css/21.css
@@ -71,17 +71,6 @@ p>code {
 	margin-bottom: 2rem;
 }
 
-.content ol {
-    counter-reset: num -1;
-}
-.content ol li {
-    list-style-type: none;
-}
-.content ol li:before {
-    counter-increment: num;
-    content: counter(num) ". ";
-}
-
 .content li {
 	margin-bottom: 0.5rem;
 }