Update app.py

app.py

@@ -87,7 +87,7 @@ def run_generation(user_text, top_p, temperature, top_k, max_new_tokens):
 
 # Gradio UI setup
 with gr.Blocks(css="""
-    div.svelte-sfqy0y {
+    `div.svelte-sfqy0y {
         display: flex;
         flex-direction: inherit;
         flex-wrap: wrap;
@@ -141,7 +141,7 @@ with gr.Blocks(css="""
         opacity: 1;
     }
     .gr-textbox {
-        background-color: var(--body-background-fill);
+        background-color: var(--block-background-fill);
         color: white;
         border: none;
         border-radius: 4px;