[MD] Change appearance of incognito NTP to MD spec.

chrome/browser/resources/ntp4/incognito_tab.css

Index: chrome/browser/resources/ntp4/incognito_tab.css
diff --git a/chrome/browser/resources/ntp4/incognito_tab.css b/chrome/browser/resources/ntp4/incognito_tab.css
index c836f2d323df17736f021d917f25cceb2a211833..d4039bbc92039f246953111f5c0e713c9a95ebe8 100644
--- a/chrome/browser/resources/ntp4/incognito_tab.css
+++ b/chrome/browser/resources/ntp4/incognito_tab.css
@@ -2,29 +2,28 @@
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file. */
 
-.content > span {
-  max-width: 416px;
+.content {
+  background-color: #323232;
+  color: white;
 }
 
 .icon {
-  -webkit-margin-start: 25px;
-  content: -webkit-image-set(
-      url(../../../../ui/webui/resources/images/incognito_icon.png) 1x,
-      url(../../../../ui/webui/resources/images/2x/incognito_icon.png) 2x);
-  float: right;
-  height: 128px;
-  margin-bottom: 10px;
-  margin-top: 4px;
-  width: 128px;
+  content: url(../../../../ui/webui/resources/images/incognito_splash.svg);
+  display: inline-block;
+  height: 120px;
+  width: 120px;
 }
 
-html[dir='rtl'] .icon {
-  float: left;
+h1 {
+  margin-top: 1em;
+}
+
+a {
+  color: rgb(3, 169, 244);
 }
 
 @media (max-width:400px) {
   .icon {
-    -webkit-margin-start: 15px;
     height: 96px;
     width: 96px;
   }