Sync Promo: Fix up focus.

chrome/browser/resources/sync_promo/sync_promo.css

Index: chrome/browser/resources/sync_promo/sync_promo.css
diff --git a/chrome/browser/resources/sync_promo.css b/chrome/browser/resources/sync_promo/sync_promo.css
similarity index 93%
rename from chrome/browser/resources/sync_promo.css
rename to chrome/browser/resources/sync_promo/sync_promo.css
index a7728d54051b5cc7ea090dcc44b33cede6f0304b..ab03c527e327343cf255410fdd4da6399d1d8329 100644
--- a/chrome/browser/resources/sync_promo.css
+++ b/chrome/browser/resources/sync_promo/sync_promo.css
@@ -23,9 +23,14 @@ body {
   margin: 0 auto;
   max-width: 900px;
   min-width: 830px;
+  position: relative;
   width: auto;
 }
 
+#sync-setup-login > div:first-of-type {
+  position: relative;
+}
+
 #sync-setup-configure {
   background-color: transparent;
   margin-left: auto;
@@ -34,12 +39,14 @@ body {
 }
 
 #sync-setup-login-promo-column {
-  margin-right: 385px;
+  left: 0;
+  position: absolute;
+  width: 444px;
 }
 
 html[dir='rtl'] #sync-setup-login-promo-column {
-  margin-left: 385px;
-  margin-right: 0;
+  left: auto;
+  right: 0;
 }
 
 #sync-setup-login-content-column {