Update app.py

app.py

@@ -147,7 +147,17 @@ examples = [
 theme = gr.themes.Base(
     font=[gr.themes.GoogleFont('Libre Franklin'), gr.themes.GoogleFont('Public Sans'), 'system-ui', 'sans-serif'],
 )
-with gr.Blocks(css="footer{display:none !important}", theme=theme) as demo:
+js_func = """
+function refresh() {
+    const url = new URL(window.location);
+
+    if (url.searchParams.get('__theme') !== 'dark') {
+        url.searchParams.set('__theme', 'dark');
+        window.location.href = url.href;
+    }
+}
+"""
+with gr.Blocks(js=js_func, theme=theme) as demo:
     gr.Markdown(MARKDOWN)
     gr.DuplicateButton(
         value="Duplicate Space for private use",