diff --git a/css/app.css b/css/app.css
index 467352f57..f907f00c2 100644
--- a/css/app.css
+++ b/css/app.css
@@ -1247,7 +1247,6 @@ input[type=number] {
 .spin-control {
     width: 20%;
     height: 29px;
-    border-left: 1px solid #CCC;
     display: inline-block;
     margin-left: -20%;
     margin-bottom: -11px;
@@ -1255,14 +1254,13 @@ input[type=number] {
 }
 
 .spin-control button {
+    right: 1px;
     position: relative;
     float: left;
     height: 100%;
     width: 50%;
     border-left: 1px solid #CCC;
-    border-right: 1px solid #CCC;
     border-radius: 0;
-    border-left: 0;
     background: rgba(0, 0, 0, 0);
 }