Update app.py

app.py

@@ -36,7 +36,8 @@ custom_css = f"""
         position: sticky !important;
         top: 0 !important;
         z-index: 9999 !important; /* Very high z-index */
-        background-color: #0f1116 !important; /* Or your app's header background color */
+        background-color: red !important;
+        #background-color: #0f1116 !important; /* Or your app's header background color */
         /* Add a subtle shadow to make it feel more distinct when content scrolls under */
         /* box-shadow: 0 2px 4px -1px rgba(0,0,0,0.1); */
     }}
@@ -44,6 +45,8 @@ custom_css = f"""
     /* Adding padding to the main content area to prevent overlap with the sticky header */
     {MAIN_CONTENT_SELECTOR} {{
         padding-top: {HEADER_HEIGHT} !important;
+        border-style: solid;
+        border-color: red;
     }}
 
     /* Optional: If your app is set to wide mode and the header isn't spanning full width */