diff --git a/demos/css/smfPlayer.css b/demos/css/smfPlayer.css
index 088f7eb..61fcbd4 100644
--- a/demos/css/smfPlayer.css
+++ b/demos/css/smfPlayer.css
@@ -8,7 +8,16 @@
     display: none;
 }
 
-.start-button {
-    border-radius: 0.25rem;
+.controls {
+    column-gap: 1rem;
+    display: flex;
+    flex-direction: row;
+    width: 100%;
+}
+
+.controls button {
+    border-radius: 1rem;
+    font-size: 1.5rem;
     padding: 1rem;
+    width: 50%;
 }