diff --git a/index.css b/index.css
index e949d983..94dd7c3a 100644
--- a/index.css
+++ b/index.css
@@ -1267,8 +1267,8 @@ i.resetButton:active {
   cursor: pointer;
 }
 
-.ui-dialog input[type='number'] {
-  width: 3.5em;
+.ui-dialog input[type="number"] {
+  width: 4.5em;
 }
 
 .ui-dialog .disabled {