Update app_multi.py

app_multi.py

@@ -52,6 +52,10 @@ arg_parser.add_argument(
 args = arg_parser.parse_args()
 
 app_css = '''
+
+:root {
+    --primary-500: #FFDAA6 !important;
+}
 #model_info img {
     max-width: 100px;
     max-height: 100px;