Date and Time dialog for when the clock isn't synced.

chrome/browser/resources/chromeos/set_time.css

+/* Copyright 2014 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. */
+
+body {
+  overflow: hidden;  /* Hide scrollbars for accurate size calculation. */
+  padding: 8px 20px;
+}
+
+h2 {
+  margin-bottom: 20px;
+}
+
+.button-strip {
+  display: flex;
+  justify-content: flex-end;
+  margin-top: 25px;
+}
+
+.row {
+  align-items: center;
+  display: flex;
+  margin: 0.65em 0;
+}
+
+input[type='date'],
+input[type='time'] {
+  font-family: inherit;
+  font-size: 16px;
+  letter-spacing: 1px;
+  margin-bottom: 4px;
+}
+
+input[type='date']::-webkit-clear-button,
+input[type='time']::-webkit-clear-button {
+  display: none;
+}
+
+label {
+  -webkit-margin-end: 5px;
+}
+
+#timezone-select {
+  flex: 1;
+}