diff --git a/Zoom.css b/Zoom.css
index e85c799..25addaa 100644
--- a/Zoom.css
+++ b/Zoom.css
@@ -3,14 +3,6 @@
   border: solid 3px #364e96;/*線色*/
   padding: 0.5em;/*文字周りの余白*/
   border-radius: 0.5em;/*角丸*/
-}
-h2 {
- counter-increment: numeber;
-}
-
-h2:before{
- content: counter(numeber)".";
-}
 body{background-color:linen;}
 li {font-size:150%;}
 ul　li dl{
@@ -24,9 +16,9 @@
 h3 {
     counter-increment: section;
 }
-1:before {
-    content: "第" counter(chapter) "章";
+h2:before {
+    content:  counter(number) ".";
 }
-h1 {
-    counter-increment: chapter; counter-reset: section;
+h2 {
+    counter-increment: number; counter-reset: section;
 }