Patch #9705 Tracker filtering on Main Calendar (Jeffrey Jones)

Slightly edited.

git-svn-id: http://redmine.rubyforge.org/svn/trunk@395 e93f8b46-1217-0410-a6f0-8f06a7374b81

public/stylesheets/application.css

@@ -467,6 +467,12 @@ position: relative;
 margin: 0 5px 5px;
 }
 
+.overlay{ 
+position: absolute;
+margin-left:0;
+z-index: 50;
+}
+
 .layout-active {
 background: #ECF3E1;
 }