diff --git a/css/app.css b/css/app.css
index c45e51ab5..9633ad552 100644
--- a/css/app.css
+++ b/css/app.css
@@ -1010,14 +1010,14 @@ input[type=number] {
     float: left;
     height: 100%;
     width: 50%;
-    border-top: 1px solid #CCC;
-    border-bottom: 1px solid #CCC;
+    border-left: 1px solid #CCC;
+    border-right: 1px solid #CCC;
     border-radius: 0;
     border-left: 0;
 }
 
 .spin-control button.decrement {
-    border-bottom-right-radius: 4px;
+    border-bottom-right-radius: 3px;
 }
 
 .spin-control button.decrement::after,