Update app.py

Edit by AlexaT 20230518
-amend style and remove footer

app.py

@@ -183,11 +183,16 @@ css = """
         :root,.gradio-container-3-20-1 :host {
           --color-border-primary:transparent;
         }
+        
         #submit_button{
             background-color: #fff;
             font-weight: bold;
             box-shadow: 5px 10px 18px #fff;
         }
+
+        footer {
+            visibility: hidden;
+        }
 """
 
 title = 'AI Pdf 归纳器'
@@ -210,7 +215,6 @@ with gr.Blocks(css=css) as demo:
             btn = gr.Button(value='提交', elem_id="submit_button")
             btn.style(full_width=True)
 
-        with gr.Group():
             answer = gr.Textbox(label='你的提问的答案是：', elem_id="answer")
 
         btn.click(question_answer, inputs=[url, file, question], outputs=[answer])