Update styling

app.py

@@ -25,21 +25,21 @@ css = """
         margin-top: 1rem;
         margin-bottom: 2rem;
     }
-    .gr-button {
+    button.gr-button {
         background-color: #7D3C98;
         color: white;
-        padding: 0.5rem 1rem; 
-        font-size: 1rem; 
+        padding: 0.5rem 1rem;
+        font-size: 1rem;
         border-radius: 0.5rem;
     }
-    .gr-button:hover {
+    button.gr-button:hover {
         background-color: #6C3483;
     }
     .acknowledgments {
         margin-top: 20px;
         text-align: center;
     }
-    .gr-textbox, .gr-button, .gr-output {
+    .gr-textbox, button.gr-button, .gr-output {
         height: 2.5rem;
     }
 </style>