diff --git a/core-doc-viewer.html b/core-doc-viewer.html
index e7e5396..9ca25e8 100644
--- a/core-doc-viewer.html
+++ b/core-doc-viewer.html
@@ -1,3 +1,12 @@
+
diff --git a/demo.html b/demo.html
index 7057792..89ccc67 100644
--- a/demo.html
+++ b/demo.html
@@ -1,3 +1,12 @@
+
diff --git a/elements/core-doc-page.css b/elements/core-doc-page.css
index 39ba920..49444bb 100644
--- a/elements/core-doc-page.css
+++ b/elements/core-doc-page.css
@@ -1,3 +1,13 @@
+/*
+ * @license
+ * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+ * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+ * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+ * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+ * Code distributed by Google as part of the polymer project is also
+ * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+ */
+
:host {
display: block;
}
diff --git a/elements/core-doc-page.html b/elements/core-doc-page.html
index fa52ae3..2201d1f 100644
--- a/elements/core-doc-page.html
+++ b/elements/core-doc-page.html
@@ -1,3 +1,12 @@
+
diff --git a/elements/core-doc-toc.css b/elements/core-doc-toc.css
index c67823c..0e6b6b3 100644
--- a/elements/core-doc-toc.css
+++ b/elements/core-doc-toc.css
@@ -1,3 +1,13 @@
+/*
+ * @license
+ * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+ * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+ * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+ * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+ * Code distributed by Google as part of the polymer project is also
+ * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+ */
+
:host {
display: block;
position: relative;
diff --git a/elements/core-doc-toc.html b/elements/core-doc-toc.html
index ce08316..b80b078 100644
--- a/elements/core-doc-toc.html
+++ b/elements/core-doc-toc.html
@@ -1,3 +1,12 @@
+