ChromeOS: Update styles of material design OOBE.

chrome/browser/resources/chromeos/login/oobe_dialog.css

Index: chrome/browser/resources/chromeos/login/oobe_dialog.css
diff --git a/chrome/browser/resources/chromeos/login/oobe_dialog.css b/chrome/browser/resources/chromeos/login/oobe_dialog.css
index 15b5c6f0fa956890fecc2b8fb6976940b760f553..cffe5baf4bfe0cdcd1d6ba6c33f8ffb30eac09d3 100644
--- a/chrome/browser/resources/chromeos/login/oobe_dialog.css
+++ b/chrome/browser/resources/chromeos/login/oobe_dialog.css
@@ -10,10 +10,19 @@
   min-height: 84px; /* 64 title + 20 subtitle */
 }
 
+:host([welcome-screen]) .oobe-header {
+  height: 64px;
+  min-height: unset;
+}
+
 #footer-container {
   padding: 44px 64px 0 64px;
 }
 
+:host([welcome-screen]) #footer-container {
+  padding-top: 32px;
+}
+
 #oobe-bottom {
   box-shadow: 0 -1px 1px rgba(0, 0, 0, 0.14);
   height: 80px;