[Offline pages] Create offline internals page for Android

components/offline_pages/resources/offline_internals.css

Index: components/offline_pages/resources/offline_internals.css
diff --git a/components/offline_pages/resources/offline_internals.css b/components/offline_pages/resources/offline_internals.css
new file mode 100644
index 0000000000000000000000000000000000000000..087f8a245eaef50387412326bc2716528b3653ea
--- /dev/null
+++ b/components/offline_pages/resources/offline_internals.css
@@ -0,0 +1,25 @@
+/* Copyright (c) 2016 The Chromium Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+h1 {
+  color: rgb(74, 142, 230);
+  margin: 0;
+  padding: 0;
+}
+
+td {
+  padding: 4px;
+}
+
+tr:nth-child(odd) {
+  background-color: azure;
+}
+
+th {
+  background-color: navy;
+  color: white;
+  font-weight: bold;
+}
+