Update app.py

app.py

@@ -19,19 +19,19 @@ css = """.hamburger-button {
 
 def upload_file(filepath):
     name = Path(filepath).name
-    return [gr.UploadButton(interactive=False), 
+    return [gr.UploadButton(interactive=False, icon='icon4.png',), 
             gr.DownloadButton( value=filepath, interactive=True)] #label=f"Download {name}",
 
 def download_file():
-    return [gr.UploadButton(interactive=True), gr.DownloadButton(interactive=False)]
+    return [gr.UploadButton(interactive=True), gr.DownloadButton(interactive=False, icon='icon1.png',)]
 
 with gr.Blocks(css=css, theme=gr.themes.Base(radius_size=gr.themes.sizes.radius_none)) as demo:
     tb = gr.Textbox(value = "First upload a file and and then you'll be able download it (but only once!)")
     with gr.Row():
       with gr.Column(scale=1):
-        u = gr.UploadButton(icon='icon4.png', elem_classes="hamburger-button", label="", file_count="single", size='lg')
+        u = gr.UploadButton(icon='icon3.png', elem_classes="hamburger-button", label="", file_count="single", size='lg')
       with gr.Column(scale=1):
-        d = gr.DownloadButton( icon='icon1.png', elem_classes="hamburger-button", label="", interactive=False, size='lg')
+        d = gr.DownloadButton( icon='icon2.png', elem_classes="hamburger-button", label="", interactive=False, size='lg')
       with gr.Column(scale=8):
         t = gr.Textbox(visible=False, )