diff --git a/src/main/java/org/gcube/portlets/user/workspace/public/workspacetree.css b/src/main/java/org/gcube/portlets/user/workspace/public/workspacetree.css
index 0b8f3c7..f32f01e 100644
--- a/src/main/java/org/gcube/portlets/user/workspace/public/workspacetree.css
+++ b/src/main/java/org/gcube/portlets/user/workspace/public/workspacetree.css
@@ -1,7 +1,7 @@
 @CHARSET "UTF-8";
 
 .gwt-DialogBoxNew{
-	border: 8px solid #dfe8f6;
+	border: 8px solid #99C0E8;
 	border-radius: 6px 6px 6px 6px;
 	box-shadow: none;
 	line-height: 7px;
@@ -11,7 +11,7 @@
 }
 
 .gwt-DialogBoxNew .Caption {
-	background: none repeat scroll 0 0 #dfe8f6;
+	background: none repeat scroll 0 0 #99C0E8;
 	border: medium none #D4D4D4;
 	cursor: default;
 	font-family: Arial Unicode MS, Arial, sans-serif !important;