diff --git a/src/main/java/com/googlesource/gerrit/plugins/cookbook/client/CookBookPlugin.java b/src/main/java/com/googlesource/gerrit/plugins/cookbook/client/CookBookPlugin.java
index 5a15e56..7a56ca0 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/cookbook/client/CookBookPlugin.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/cookbook/client/CookBookPlugin.java
@@ -18,7 +18,12 @@
 import com.google.gerrit.client.Resources;
 import com.google.gerrit.plugin.client.Plugin;
 import com.google.gerrit.plugin.client.PluginEntryPoint;
+import com.google.gerrit.plugin.client.extension.Panel;
 import com.google.gwt.core.client.GWT;
+import com.google.gwt.event.dom.client.ClickEvent;
+import com.google.gwt.event.dom.client.ClickHandler;
+import com.google.gwt.user.client.Window;
+import com.google.gwt.user.client.ui.Button;
 
 public class CookBookPlugin extends PluginEntryPoint {
   public static final Resources RESOURCES = GWT.create(Resources.class);
@@ -38,5 +43,20 @@
     Plugin.get().panel(
         GerritUiExtensionPoint.CHANGE_SCREEN_HEADER_RIGHT_OF_POP_DOWNS,
         new BuildsDropDownPanel.Factory());
+    Plugin.get().panel(
+        GerritUiExtensionPoint.CHANGE_SCREEN_HEADER_RIGHT_OF_BUTTONS,
+        new Panel.EntryPoint() {
+          @Override
+          public void onLoad(Panel panel) {
+            Button b = new HighlightButton("Library-Compliance+1");
+            b.addClickHandler(new ClickHandler() {
+              @Override
+              public void onClick(ClickEvent event) {
+                Window.alert("TODO");
+              }
+            });
+            panel.setWidget(b);
+          }
+        });
   }
 }
diff --git a/src/main/java/com/googlesource/gerrit/plugins/cookbook/client/HighlightButton.java b/src/main/java/com/googlesource/gerrit/plugins/cookbook/client/HighlightButton.java
new file mode 100644
index 0000000..0af633f
--- /dev/null
+++ b/src/main/java/com/googlesource/gerrit/plugins/cookbook/client/HighlightButton.java
@@ -0,0 +1,36 @@
+// Copyright (C) 2015 The Android Open Source Project
+//
+// 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.
+
+package com.googlesource.gerrit.plugins.cookbook.client;
+
+import com.google.gwt.user.client.ui.Button;
+import com.google.gwtexpui.safehtml.client.SafeHtmlBuilder;
+
+/**
+ * Highlight button for header line in change screen.
+ *
+ * This class can *only* be used within a panel that extends the header line of
+ * the change screen, but will not work standalone.
+ */
+public class HighlightButton extends Button {
+
+  public HighlightButton(String text) {
+    // Create Button with inner div. This is required to get proper styling
+    // in the context of the change screen.
+    super((new SafeHtmlBuilder()).openDiv()
+        .appendAttribute("style", "color: #fff;").append(text).closeDiv());
+    getElement().removeClassName("gwt-Button");
+    getElement().getStyle().setBackgroundColor("#4d90fe");
+  }
+}