Gerrit UI: put the green back

Change-Id: I979d10623aec7516526e18ed05ca420db5429799
diff --git a/Documentation/config-gerrit.txt b/Documentation/config-gerrit.txt
index 2a9c350..a57c8a7 100644
--- a/Documentation/config-gerrit.txt
+++ b/Documentation/config-gerrit.txt
@@ -2723,6 +2723,20 @@
   backgroundColor = 00FFFF
 ----
 
+As example, here is the theme configuration to have the old green look:
+
+----
+[theme]
+  backgroundColor = FCFEEF
+  textColor = 000000
+  trimColor = D4E9A9
+  selectionColor = FFFFCC
+  topMenuColor = D4E9A9
+  changeTableOutdatedColor = F08080
+[theme "signed-in"]
+  backgroundColor = FFFFFF
+----
+
 [[trackingid]] Section trackingid
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