Update app.py

app.py

@@ -42,7 +42,7 @@ def main():
     page_bg_img = '''
         <style>
         body {
-            background-image: url("https://cdn4.vectorstock.com/i/1000x1000/73/38/malaria-on-orange-background-style-vector-14187338.jpg");
+            background-image: url("Upload Screenshot 2023-06-06 125216.png");
             background-size: cover;
             opacity: 0.80;
         }