diff --git a/12/style.css b/12/style.css
index 5852903..567fcb9 100644
--- a/12/style.css
+++ b/12/style.css
@@ -424,6 +424,7 @@ a:hover{
   border: 3px white solid;
   position: absolute;
   top: 250px;
+  z-index:100;
 }
 
 #implicancies_05 {
@@ -562,6 +563,9 @@ ul#table_content_05 li{
 #resources_05:hover{
   z-index:1000;
 }
+.audio_05:hover{
+  z-index:1000;
+}
 
 
 #TOC_icon {