modify language setting section

Signed-off-by: monica-sekoyan <msekoyan@nvidia.com>

app.py

@@ -332,18 +332,24 @@ with gr.Blocks(theme=nvidia_theme) as demo:
     session_dir = gr.State()
     demo.load(start_session, outputs=[session_dir])
 
+    gr.Markdown("---")
+
     with gr.Row():
-        source_lang_dropdown = gr.Dropdown(
-                        choices=AVAILABLE_SRC_LANGS, 
-                        value=DEFAULT_SRC_LANG, 
-                        label="Select Source Language (Audio)",
-                        interactive=True)
-
-        target_lang_dropdown = gr.Dropdown(
-            choices=AVAILABLE_TGT_LANGS, 
-            value=DEFAULT_TGT_LANG, 
-            label="Select Target Language (Output Text)",
-            interactive=True)
+        with gr.Column():
+            gr.Markdown("**🗣️ Select Source Language (Audio)**")
+            source_lang_dropdown = gr.Dropdown(
+                            choices=AVAILABLE_SRC_LANGS, 
+                            value=DEFAULT_SRC_LANG, 
+                            label="",
+                            interactive=True)
+        
+        with gr.Column():
+            gr.Markdown("**💬 Select Target Language (Output Text)**")
+            target_lang_dropdown = gr.Dropdown(
+                choices=AVAILABLE_TGT_LANGS,
+                value=DEFAULT_TGT_LANG,
+                label="",
+                interactive=True)
 
     with gr.Tabs():
         with gr.TabItem("Audio File"):