Update app.py

app.py

@@ -81,7 +81,7 @@ custom_css = """
 /* General Page Style */
 body {
     font-family: 'Poppins', Arial, sans-serif;
-    background: linear-gradient(135deg, #00fff3, #1969c9);
+    background: linear-gradient(135deg, #1969c9, #1969c9);
     color: #ffffff;
     margin: 0;
     padding: 0;