Update app.py

app.py

@@ -112,6 +112,7 @@ with gr.Blocks(css=css) as myface:
             background-image: linear-gradient(#6d43e4, #8150df) !important;
             border-radius: 24px !important;
             border: 3px outset #c0a7ef;
+            border-image-outset: linear-gradient(#8150df, #6d43e4) !important;
             padding: 6px 30px;
 }
 </style>""")