Add collaboration feature

Issue-ID: SDC-767
Change-Id: I14fb4c1f54086ed03a56a7ff7fab9ecd40381795
Signed-off-by: talig <talig@amdocs.com>
diff --git a/openecomp-ui/resources/scss/components/_overlay.scss b/openecomp-ui/resources/scss/components/_overlay.scss
new file mode 100644
index 0000000..7c310bf
--- /dev/null
+++ b/openecomp-ui/resources/scss/components/_overlay.scss
@@ -0,0 +1,26 @@
+.onboarding-overlay {
+  z-index: 1000;
+  border: 1px solid $light-gray;
+  position: absolute;
+  background-color: $white;
+  border-radius: 2px;
+  box-shadow: 0 3px 7px 1px rgba(0, 0, 0, 0.2);
+  display: flex;
+  flex-direction: column;
+  justify-content: space-around;
+  margin-top: 5px;
+  margin-left: -86px;
+  .arrow-up {
+    width: 0;
+    height: 0;
+    border-left: 5px solid transparent;
+    border-right: 5px solid transparent;
+    background-color: transparent;
+    border-bottom: 5px solid $blue;
+    margin-left: 114px;
+    margin-top: -5px;
+  }
+  .arrow-border {
+    border-top: 5px solid $blue;
+  }
+}
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