Add collaboration feature

Issue-ID: SDC-767
Change-Id: I14fb4c1f54086ed03a56a7ff7fab9ecd40381795
Signed-off-by: talig <talig@amdocs.com>
diff --git a/openecomp-ui/resources/scss/common/_base.scss b/openecomp-ui/resources/scss/common/_base.scss
index e901db0..ff3a830 100644
--- a/openecomp-ui/resources/scss/common/_base.scss
+++ b/openecomp-ui/resources/scss/common/_base.scss
@@ -11,10 +11,14 @@
   @extend %noselect;
 }
 
+$scrollbar-width: 8px;
+$scrollbar-height: 8px;
+/* firefox */
+$ff-scrollbar-width: 17px;
 /* scrollbar styling for Google Chrome | Safari | Opera */
 ::-webkit-scrollbar {
-  width: 8px;
-  height: 8px;
+  width: $scrollbar-width;
+  height: $scrollbar-height;
 }
 
 ::-webkit-scrollbar-track {