Update app.py

app.py

@@ -111,7 +111,7 @@ with gr.Blocks(css=css) as myface:
             color: white !important;
             background-image: linear-gradient(#6d43e4, #8150df) !important;
             border-radius: 24px !important;
-            border: 3px !important;
+            border: solid 3px !important;
             border-top-color: #ffffff !important;
             border-right-color: #000000 !important;
             border-bottom-color: #000000 !important;