Prevent the site selector to push the content bellow

plugins/Zeitgeist/stylesheets/ui/_siteSelect.less

@@ -5,7 +5,7 @@
   position: absolute;
   font-size: 12px;
   display: inline-block;
-  max-height: 30px; /* Hack to not push the dashboard widget bellow */
+  height: 30px; /* Hack to not push the dashboard widget bellow */
 }
 
 .top_bar_sites_selector {
@@ -145,6 +145,9 @@
 .custom_select_block_show {
   height: auto;
   overflow: visible;
+}
+
+.sites_selector_container {
   padding-top: 5px;
 }