Update index.html

Author: Jiawei-Guo

index.html

@@ -175,8 +175,8 @@ <h2 class="subtitle is-3 publication-subtitle">
                 <span class="link-block">
                   <a href="https://twitter.com/gezhang86038849/status/1776079076861817341?s=46"
                     class="external-link button is-normal is-rounded is-dark">
-                    <span class="icon has-text-white">
-                      <i class="fa-brands fa-x-twitter"></i>
+                    <span class="icon">
+                      <i class="fab fa-twitter"></i>
                       <!-- <p style="font-size:18px">🌐</p> -->
                     </span>
                     <span>Twitter</span>