Add initial implementation of date-time-settings MD settings page.

chrome/browser/resources/settings/date_time_page/date_time_page.css

Index: chrome/browser/resources/settings/date_time_page/date_time_page.css
diff --git a/ui/webui/resources/cr_elements/cr_collapse/cr_collapse.css b/chrome/browser/resources/settings/date_time_page/date_time_page.css
similarity index 60%
copy from ui/webui/resources/cr_elements/cr_collapse/cr_collapse.css
copy to chrome/browser/resources/settings/date_time_page/date_time_page.css
index 2585b3faf0ecda54cec882da4049426665ac8122..540b6d55126da26b67e33e079a2645610e14484f 100644
--- a/ui/webui/resources/cr_elements/cr_collapse/cr_collapse.css
+++ b/chrome/browser/resources/settings/date_time_page/date_time_page.css
@@ -2,10 +2,14 @@
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file. */
 
-:host {
-  display: block;
+core-label {
+  margin: 10px;
 }
 
-:host(.cr-collapse-closed) {
-  display: none;
+.time-zone-label {
+  -webkit-margin-end: 10px;
+}
+
+#setAutomatically {
+  margin: 10px;
 }