Update app.py

app.py

@@ -12,10 +12,7 @@ ex = ["The Saudi Founding Day is a national occasion in the Kingdom of Saudi Ara
 
 custom_css = """
 body {
-  background-image: url("/Assignment1part1/BG.jpg");
-  background-size: cover;
-  background-repeat: no-repeat;
-  background-attachment: fixed;
+  background-color: #F5F5DC;
 }
 """