diff --git a/index.html b/index.html
index 657695c..b3d44c2 100644
--- a/index.html
+++ b/index.html
@@ -81,14 +81,16 @@ <h1>Flight Information Display</h1>
     </script>
     
 
-    </div>
+    <button type="button" class="btn btn-outline-primary">Primary</button>
+
 
     <audio autoplay id="audio">
-        <source src="sounds/chime.mp3">
+        <source src="sounds/chime.mp3" type="audio/mp3">
     </audio>
     
     <script src="sound.js"></script>
 
+    <audio autoplay loop src="sounds/Airport.mp3"></audio>
 
 </body>
 </html>
diff --git a/style.css b/style.css
index 0de3399..2a6a8f1 100644
--- a/style.css
+++ b/style.css
@@ -1,4 +1,4 @@
-*{
+black{
     font-family: 'MS UI Gothic';
     font-style: normal;
     background-color: rgba(0, 0, 0, 0.726);