more tweaks fixes to the next/prev logic. Fix the way 'articles'
include the links. was broken for design docs, all appeared disabled.
also add 'white' style for links that appear on colored background

Change-Id: I6f59b91c1429014a90cb887a9e46880ebde0f75a
diff --git a/tools/droiddoc/templates-sdk/assets/css/default.css b/tools/droiddoc/templates-sdk/assets/css/default.css
index f529f16..e3363fb 100644
--- a/tools/droiddoc/templates-sdk/assets/css/default.css
+++ b/tools/droiddoc/templates-sdk/assets/css/default.css
@@ -468,8 +468,6 @@
     position: absolute; }
   .paging-links a,
   .training-nav-top a {
-    font-size: 14px;
-    line-height: 30px;
     color: #555555;
     text-decoration: none;
     text-transform: uppercase; }
@@ -1233,6 +1231,13 @@
   color: #33B5E5;
   text-decoration: none;
 }
+a.white {
+  color: #fff;
+  text-decoration:underline;
+}
+a.white:hover, a.white:active {
+  color: #ccc !important;
+}
 strong, b {
   font-weight:bold;
   color: #222;