fix: modify avatar css code

css/style.css

@@ -1,13 +1,6 @@
-/* .gradio-container {
-    background: url('https://storage.googleapis.com/wpassets.junyiacademy.org/1/2023/11/background-scaled.jpg');
-    background-size: cover;
-    background-position: center center;
-    background-repeat: no-repeat;
-} */
-
-/* #player_avatar_container{
+#player_avatar_container{
     place-items: center !important;
-} */
+}
 
 #player_avatar {
     background-color: transparent !important;