ONOS-1904 : Initial patchset for defining the Sprite Service.
- reverting topo-theme.css so that the original sprite layer still works (if anyone out there is using it).
- adding hard-coded sprite and layout for testing purposes (they'll be removed later).

Change-Id: I5f78c5cbc66cfe9ad0ac0292d5ffb1e19b611fa5
diff --git a/web/gui/src/main/webapp/app/fw/svg/sprite-theme.css b/web/gui/src/main/webapp/app/fw/svg/sprite-theme.css
new file mode 100644
index 0000000..a65562f
--- /dev/null
+++ b/web/gui/src/main/webapp/app/fw/svg/sprite-theme.css
@@ -0,0 +1,55 @@
+/*
+ * Copyright 2017-present Open Networking Laboratory
+ *
+ * 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.
+ */
+
+
+/* ------------------------------------------------- */
+/* Sprite Layer */
+
+/* TODO: revisit these styles */
+
+
+#ov-topo svg #topo-sprites .gold1 use {
+    stroke: #fda;
+    fill: none;
+}
+#ov-topo svg #topo-sprites .gold1 text {
+    fill: #eda;
+}
+
+#ov-topo svg #topo-sprites .blue1 use {
+    stroke: #bbd;
+    fill: none;
+}
+#ov-topo svg #topo-sprites .blue1 text {
+    fill: #cce;
+}
+
+#ov-topo svg #topo-sprites .gray1 use {
+    stroke: #ccc;
+    fill: none;
+}
+#ov-topo svg #topo-sprites .gray1 text {
+    fill: #ddd;
+}
+
+/* fills */
+#ov-topo svg #topo-sprites use.fill-gray2 {
+    fill: #eee;
+}
+
+#ov-topo svg #topo-sprites use.fill-blue2 {
+    fill: #bce;
+}
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