Update app

app.py

@@ -133,8 +133,41 @@ def handle_regeneration(chatbot, task_history):
 
 # Custom CSS
 css = '''
-    .gradio-container {
-        max-width: 800px !important;
+    @import url('https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css');
+    
+    .gradio-button, .gradio-upload-button {
+        border: none;
+        border-radius: 4px;
+        cursor: pointer;
+        font-size: 16px;
+        margin: 2px;
+    }
+    
+    .gradio-button {
+        background-color: #008CBA;
+        color: white;
+    }
+    
+    .gradio-button:hover {
+        background-color: #005f5f;
+    }
+    
+    .gradio-upload-button input {
+        display: none;
+    }
+    
+    .gradio-upload-button {
+        background-color: #008CBA;
+        color: white;
+        padding: 10px 20px;
+    }
+    
+    .gradio-upload-button:hover {
+        background-color: #005f5f;
+    }
+    
+    .control-width {
+        width: 100%;
     }
 '''
 
@@ -150,10 +183,14 @@ with gr.Blocks(css=css) as demo:
     task_history = gr.State([])
 
     with gr.Row():
-        upload_btn = gr.UploadButton("📁 Upload", file_types=["image"])
-        submit_btn = gr.Button("🚀 Submit")
-        regen_btn = gr.Button("🤔️ Regenerate")
-        clear_btn = gr.Button("🧹 Clear History")
+        with gr.Column(width=4):
+            upload_btn = gr.UploadButton("📁 Upload", file_types=["image"], elem_classes="control-width")
+        with gr.Column(width=2):
+            submit_btn = gr.Button("🚀 Submit", elem_classes="control-width")
+        with gr.Column(width=2):
+            regen_btn = gr.Button("🤔️ Regenerate", elem_classes="control-width")
+        with gr.Column(width=2):
+            clear_btn = gr.Button("🧹 Clear History", elem_classes="control-width")
     
     gr.Markdown("### Key Features:\n- **Strong Performance**: Surpasses existing LVLMs on multiple English benchmarks including Zero-shot Captioning and VQA.\n- **Multi-lingual Support**: Supports English, Chinese, and multi-lingual conversation.\n- **High Resolution**: Utilizes 448*448 resolution for fine-grained recognition and understanding.")
     submit_btn.click(handle_text_input, [chatbot, task_history, query], [chatbot, task_history]).then(