Center text in footer.

biscuit/core/templates/core/base.html

@@ -46,7 +46,7 @@
 
  <footer class="footer text-dark bg-light">
   <div class="container">
-   <span class="text-muted">
+   <p class="text-muted text-center">
     <a href="https://biscuit.edugit.org/">
      BiscuIT - The Free School Information System
     </a>
@@ -55,7 +55,7 @@
     <a href="https://www.teckids.org/">
      Teckids e.V.
     </a>
-   </span>
+   </p>
   </div>
  </footer>
 {% endblock %}