fix(added class to make button fixed height)

app.py

@@ -47,6 +47,10 @@ css = """
 body, .gradio-container {
     font-family: 'Plus Jakarta Sans', sans-serif !important;
 }
+
+.fixed-height-button {
+    height: 200px;
+}
 """
 
 HEADER = """
@@ -195,7 +199,7 @@ with gr.Blocks(css=css) as demo:
             with gr.Row():
                 document = gr.Textbox(label="Document", scale=9)
                 u = gr.UploadButton("Upload", visible=True, file_count="single", file_types=UPLOADABLE_FILE_TYPES, scale=1)
-                file_group = gr.Group(visible=False)
+                file_group = gr.Group(elem_classes="fixed-height-button", visible=False)
                 with file_group:
                     file_name = gr.Markdown("")
                     c = gr.ClearButton([u, file_name])