diff --git a/web/viewer.css b/web/viewer.css
index ece4436a1..4b6805857 100644
--- a/web/viewer.css
+++ b/web/viewer.css
@@ -1288,10 +1288,8 @@ html[dir="rtl"] .toolbarField[type="checkbox"] {
   background-position: 3px;
 }
 
-.toolbarField.pageNumber::-webkit-inner-spin-button,
-.toolbarField.pageNumber::-webkit-outer-spin-button {
+.toolbarField.pageNumber::-webkit-inner-spin-button {
   -webkit-appearance: none;
-  margin: 0;
 }
 
 .toolbarField:focus {