Update app.py

app.py

@@ -919,8 +919,8 @@ def create_demo_app():
                     <span class="badge-emoji">🤗</span>
                     <span>Model</span>
                 </a>
-                <a href="https://www.lmms-lab.com/posts/longvt/" target="_blank" class="external-link button is-normal is-rounded is-dark">
-                    <span class="icon"><i class="fas fa-blog"></i></span>
+                <a href="https://www.lmms-lab.com/posts/longvt/" target="_blank" class="badge-link">
+                    <i class="fas fa-blog"></i>
                     <span>Blog</span>
                 </a>
                 <a href="https://huggingface.co/papers/2511.20785" target="_blank" class="badge-link daily-paper">