Update app.py

app.py

@@ -40,7 +40,7 @@ def respond(
         yield response
 
 
-# Define custom CSS for Flat Design
+# Define custom CSS for Flat Design with white background
 flat_design_css = """
 * {
     margin: 0;
@@ -50,7 +50,7 @@ flat_design_css = """
 }
 
 .gradio-container {
-    background-color: #f4f4f9;
+    background-color: #ffffff; /* White background */
     padding: 20px;
     border-radius: 8px;
 }
@@ -98,6 +98,10 @@ flat_design_css = """
 .gradio-interface .gradio-input-container {
     margin-bottom: 20px;
 }
+
+.gradio-chat {
+    background-color: #ffffff; /* White background for chat messages */
+}
 """
 
 # Launch the Gradio app with custom CSS