fixing icons

Signed-off-by: Jacob Haight <70984053+some45bucks@users.noreply.github.com>

Author: some45bucks

index.html

@@ -44,7 +44,7 @@
     <div class="navbar-menu">
         <div class="navbar-start" style="flex-grow: 1; justify-content: center;">
             <a class="navbar-item" href="https://github.com/some45bucks/IsaacLab">
-                <span class="icon"><i class="fab fa-github"></i></span>
+                <span class="icon"><i class="fa fa-github"></i></span>
                 <span>GitHub</span>
             </a>
         </div>
@@ -75,13 +75,13 @@ <h1 class="title is-1 publication-title">Realistic Heterogeneous Multi-Agent RL
                     <div class="publication-links">
                         <span class="link-block">
                             <a href="https://arxiv.org/pdf/YOUR_PAPER_ID.pdf" class="external-link button is-normal is-rounded is-dark">
-                                <span class="icon"><i class="fas fa-file-pdf"></i></span>
+                                <span class="icon"><i class="fa fa-file-pdf"></i></span>
                                 <span>Paper</span>
                             </a>
                         </span>
                         <span class="link-block">
                             <a href="https://github.com/some45bucks/IsaacLab_HARL" class="external-link button is-normal is-rounded is-dark">
-                                <span class="icon"><i class="fab fa-github"></i></span>
+                                <span class="icon"><i class="fa fa-github"></i></span>
                                 <span>Code</span>
                             </a>
                         </span>
@@ -171,7 +171,7 @@ <h2 class="title">BibTeX</h2>
 <footer class="footer">
     <div class="container has-text-centered">
         <a class="icon-link" href="https://github.com/some45bucks/IsaacLab">
-            <i class="fab fa-github"></i>
+            <i class="fa fa-github"></i>
         </a>
         <p>This website is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-sa/4.0/">Creative Commons License</a>.</p>
         <p>Website template by <a href="https://github.com/nerfies/nerfies.github.io">Nefi</a>.</p>