diff --git a/src/main/webapp/workspaceportlet.css b/src/main/webapp/workspaceportlet.css
index e928347..11e1abb 100644
--- a/src/main/webapp/workspaceportlet.css
+++ b/src/main/webapp/workspaceportlet.css
@@ -7,7 +7,12 @@
 @import url(workspacebootstrap.min.css);
 
 div#WestPanel {
-    border-right: 1px solid #d0def0;
+    border-right: 1px solid #F2F2F2;
+}
+
+.x-btn-mc {
+    background-color: white !important;
+    background-image: none !important;
 }
 
 #SearchAndFilter {