Update app.py

app.py

@@ -20,9 +20,9 @@ demo = gr.Interface(
     inputs=gr.Textbox(label="Insert jargon here (ask a question):", placeholder="E.g. What are gas fees?"),
     outputs=gr.Textbox(label="Get a simple answer in return:"),
 css="""
-        gr.Textbox, .gradio-container {
+        .component-4, .gradio-container {
             color: white;
-            background-color: #2c2c2c;
+            background-color: #FFFFFF;
             font-family: 'Arial', sans-serif;
             font-size: 16px;
         }