Update app.py

app.py

@@ -140,7 +140,7 @@ html, body {
 .gradio-container {
     background: transparent !important;
     position: relative;
-    z-index: 2;
+    z-index: 3;
     padding: 8px;
 }
 
@@ -756,7 +756,7 @@ font-family: var(--terminal-font) !important;
 }
 
 #pb-binary { display:block !important; }
-.gradio-container { position: relative; z-index: 2; }
+.gradio-container { position: relative; z-index: 3; }
 
 </style>
 """