baseline theme with two columns

user_interface.py

@@ -0,0 +1,14 @@
+import gradio as gr
+
+theme = gr.themes.Soft(
+    primary_hue="pink",
+    secondary_hue="lime",
+    neutral_hue="lime",
+)
+
+with gr.Blocks(theme=theme) as demo:
+    
+        with gr.Column(scale=1):
+            gr.Dropdown()
+        with gr.Column(scale=2):
+