First part of migrating Topo2 to GUI2

Change-Id: I316dd34cba161688e01dfb7b340bff5f2c3c57d4
diff --git a/web/gui2/src/main/webapp/app/view/topology/layer/nodeviceconnectedsvg/nodeviceconnectedsvg.component.css b/web/gui2/src/main/webapp/app/view/topology/layer/nodeviceconnectedsvg/nodeviceconnectedsvg.component.css
new file mode 100644
index 0000000..7897595
--- /dev/null
+++ b/web/gui2/src/main/webapp/app/view/topology/layer/nodeviceconnectedsvg/nodeviceconnectedsvg.component.css
@@ -0,0 +1,34 @@
+/*
+ * Copyright 2018-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+/*
+ ONOS GUI -- Topology View (no devices connected) -- CSS file
+ */
+/* --- "No Devices" Layer --- */
+#topo-noDevsLayer {
+    visibility: hidden;
+}
+
+#topo-noDevsLayer text {
+    font-size: 60pt;
+    font-style: italic;
+    fill: #7e9aa8;
+}
+
+#topo-noDevsLayer .noDevsBird {
+    fill: #db7773;
+}