Update app.py

app.py

@@ -21,7 +21,7 @@ CSS_STYLES = """
         width: 100%;
         height: 100%;
         background: linear-gradient(135deg, #001a2d 0%, #002a4d 100%);
-        z-index: 3147483647;        
+        z-index: 31474836470 !important;        
         display: flex;
         justify-content: center;
         align-items: center;