diff --git a/web/gui2/src/main/webapp/app/fw/layer/dialog.css b/web/gui2/src/main/webapp/app/fw/layer/dialog.css
new file mode 100644
index 0000000..fdb33d1
--- /dev/null
+++ b/web/gui2/src/main/webapp/app/fw/layer/dialog.css
@@ -0,0 +1,36 @@
+/*
+ * Copyright 2016-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 -- Dialog Service (layout) -- CSS file
+ */
+
+.dialog h2 {
+    margin: 0;
+    word-wrap: break-word;
+    display: inline-block;
+    width: 210px;
+    vertical-align: middle;
+}
+
+.dialog .dialog-button {
+    display: inline-block;
+    cursor: pointer;
+    height: 20px;
+    padding: 6px 8px 2px 8px;
+    margin: 4px;
+    float: right;
+}