Update app.py

app.py

@@ -385,7 +385,7 @@ background: linear-gradient(135deg, #CCFED9, #95BAFF);
     color: white !important;
     }
 
-#app-title {
+html body h1#app-title {
     text-align: center;
     font-size: 40px;
     font-weight: bold;