Update app.py

app.py

@@ -143,7 +143,7 @@ custom_css = """
 }
 
 .header-title {
-    background: linear-gradient(135deg, rgb(71, 35, 242) 0%, rgb(72 32 113) 100%) text
+    background: linear-gradient(135deg, rgb(71, 35, 242) 0%, rgb(72 32 113) 100%) text;
     -webkit-background-clip: text;
     -webkit-text-fill-color: transparent;
     font-size: 3em;