diff --git a/library.css b/library.css
index e91271f..931aa9a 100644
--- a/library.css
+++ b/library.css
@@ -2024,8 +2024,10 @@ html {
     max-height: 700px;
 }
 
-.main-tabs-content .right-column {
-    border-left: 1px solid #DEDEDE;
+@media (min-width:960px) {
+    .main-tabs-content .right-column {
+        border-left: 1px solid #DEDEDE;
+    }
 }
 
 .main-tabs-content .tab-header {