diff --git a/css/area_content.less b/css/area_content.less
index d74ebe8..67f2840 100755
--- a/css/area_content.less
+++ b/css/area_content.less
@@ -2,6 +2,10 @@
  * This file provides the design styles for the page content.
  */
 
+.picker {
+    z-index: 2; // position over .content
+}
+
 .content .row {
     > .col-xs-12 {
         z-index: 1;