Update app.py

app.py

@@ -63,8 +63,12 @@ with gr.Blocks(theme=gr.themes.Soft(), css="""
         justify-content: center;
         align-items: center;
     }
+    #row {
+        display: flex;
+        align-items: center;
+    }
 """) as app:
-    with gr.Row().style(equal_height=True):
+    with gr.Row(elem_id="row"):
         text_input = gr.Textbox(label="Your message", placeholder="Type your message...", multiline=False, lines=1, max_lines=1, css_classes="flex-grow")
         submit_btn = gr.Button(
             "send",