diff --git a/web/gui/src/main/webapp/app/view/topo/protected-intents.css b/web/gui/src/main/webapp/app/view/topo/protected-intents.css
new file mode 100644
index 0000000..6fca91c
--- /dev/null
+++ b/web/gui/src/main/webapp/app/view/topo/protected-intents.css
@@ -0,0 +1,25 @@
+/*
+ * 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.
+ */
+
+#ov-topo svg .link.protPrimary {
+    stroke-width: 5px;
+    stroke: #00cc00;
+}
+
+#ov-topo svg .link.protBackup {
+    stroke-width: 4px;
+    stroke: #cc4400;
+}
\ No newline at end of file