fix design/develop boxes float

Change-Id: Id6de3e74667f5cc485290509919e0f5cce689505
diff --git a/tools/droiddoc/templates-sdk/assets/css/default.css b/tools/droiddoc/templates-sdk/assets/css/default.css
index 9ab45b3..91b0f59 100644
--- a/tools/droiddoc/templates-sdk/assets/css/default.css
+++ b/tools/droiddoc/templates-sdk/assets/css/default.css
@@ -2661,6 +2661,7 @@
 a.notice-developers,
 a.notice-designers {
   float:right;
+  clear:right;
   width:238px;
   min-height:50px;
   margin:0 0 20px 20px;