diff --git a/admin.html b/admin.html
index 1060757..ec69ba8 100644
--- a/admin.html
+++ b/admin.html
@@ -25,10 +25,10 @@
       height: 1.2em;
       border-radius: 0.6em;
     }
-    .number {
+    #number {
         width: 8rem;
     }
-    .plusbutton {
+    #plusbutton {
         width: 3rem;
     }