Scaffold for MD-Settings, inside chrome://md-settings.

chrome/browser/resources/settings/settings_main/settings_main.css

Index: chrome/browser/resources/settings/settings_main/settings_main.css
diff --git a/chrome/browser/resources/settings/settings_main/settings_main.css b/chrome/browser/resources/settings/settings_main/settings_main.css
new file mode 100644
index 0000000000000000000000000000000000000000..aac08748281c334e8978abf4a851f6e92962486b
--- /dev/null
+++ b/chrome/browser/resources/settings/settings_main/settings_main.css
@@ -0,0 +1,27 @@
+/* Copyright 2015 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. */
+
+:host {
+  background-color: rgb(219, 222, 224);

[Jeremy Klein, 2015/03/07 23:55:13]

Did these colors come from the material palette?

http://www.google.com/design/spec/style/color.html

+  color: black;
+  display: block;
+}
+
+#container {
+  box-sizing: border-box;
+  height: 100%;
+  overflow: auto;
+  padding-top: 5px;
+}
+
+core-animated-pages {
+  background-color: white;
+  border-radius: 2px;
+  box-shadow: -2px 2px 3px 0 rgb(194, 197, 199);
+  margin: 0 20px 0;
+}
+
+core-animated-pages > section {
+  padding: 10px;
+}