diff --git a/Zoom.css b/Zoom.css
index f8819d6..62a2c27 100644
--- a/Zoom.css
+++ b/Zoom.css
@@ -18,12 +18,9 @@
         margin-bottom: 0;
     }
 p{font-size:150%;}
-h3 {
-  counter-reset: number01;
-  counter-reset: number02;
-}
-
 h3:before {
-  content: counter(number01) ". ";
-  counter-increment: number01;
+    content: counter(chapter) "." counter(section);
+}
+h3 {
+    counter-increment: section;
 }