diff --git a/12/style.css b/12/style.css
index 2adeee5..c0c396c 100644
--- a/12/style.css
+++ b/12/style.css
@@ -120,8 +120,7 @@ color: orangered;
 }
 
 audio{
-width:90%;
-  color:white;
+width:100%;
 }
 
 a{
@@ -137,3 +136,6 @@ a:hover{
   color: red;
 }
 
+#track{
+  display:none;
+}