Beautified the comment block.

cotes2020 · cotes2020 · commit 2297bbec5f3d · 2020-06-24T20:47:01.000+08:00
diff --git a/_includes/disqus.html b/_includes/disqus.html
@@ -8,7 +8,7 @@
 -->
 
 <div id="disqus" class="pt-2 pb-4">
-  <p class="font-italic text-muted small">Comments powered by <a href="https://disqus.com/">Disqus</a>.</p>
+  <p class="font-italic text-center text-muted small">Comments powered by <a href="https://disqus.com/">Disqus</a>.</p>
 </div>
 
 <script src="{{ site.baseurl }}/assets/js/lib/jquery.disqusloader.min.js"></script>
diff --git a/assets/css/post.scss b/assets/css/post.scss
@@ -56,7 +56,7 @@ $prompt-newer: "{{ site.data.label.post.button.next }}";
 
 .post-navigation {
   padding-top: 3rem;
-  padding-bottom: 2rem;
+  padding-bottom: 4rem;
 
   .btn {
     @include btn-post-nav;
