footer.html in jekyll-theme-clean-blog-4.0.2

- old
+ new
@@ -9,31 +9,31 @@
         <ul class="list-inline text-center">
           {% if site.twitter_username %}
           <li class="list-inline-item">
             <a href="https://www.twitter.com/{{ site.twitter_username }}">
               <span class="fa-stack fa-lg">
-                <i class="fa fa-circle fa-stack-2x"></i>
-                <i class="fa fa-twitter fa-stack-1x fa-inverse"></i>
+                <i class="fas fa-circle fa-stack-2x"></i>
+                <i class="fab fa-twitter fa-stack-1x fa-inverse"></i>
               </span>
             </a>
           </li>
           {% endif %}
           {% if site.facebook_username %}
           <li class="list-inline-item">
             <a href="https://www.facebook.com/{{ site.facebook_username }}">
               <span class="fa-stack fa-lg">
-                <i class="fa fa-circle fa-stack-2x"></i>
-                <i class="fa fa-facebook fa-stack-1x fa-inverse"></i>
+                <i class="fas fa-circle fa-stack-2x"></i>
+                <i class="fab fa-facebook-f fa-stack-1x fa-inverse"></i>
               </span>
             </a>
           </li>
           {% endif %}
           {% if site.github_username %}
           <li class="list-inline-item">
             <a href="https://github.com/{{ site.github_username }}">
               <span class="fa-stack fa-lg">
-                <i class="fa fa-circle fa-stack-2x"></i>
-                <i class="fa fa-github fa-stack-1x fa-inverse"></i>
+                <i class="fas fa-circle fa-stack-2x"></i>
+                <i class="fab fa-github fa-stack-1x fa-inverse"></i>
               </span>
             </a>
           </li>
           {% endif %}
         </ul>