diff --git a/_includes/post-paginator.html b/_includes/post-paginator.html
index 162039e..b79c4f8 100644
--- a/_includes/post-paginator.html
+++ b/_includes/post-paginator.html
@@ -2,7 +2,7 @@
   The paginator for post list on HomgPage.
 -->
 
-<ul class="pagination align-items-center mt-4 mb-5 pl-lg-2">
+<ul class="pagination align-items-center mt-4 pl-lg-2">
   <!-- left arrow -->
   {% if paginator.previous_page %}
     {% assign prev_url = paginator.previous_page_path | relative_url %}
diff --git a/_includes/related-posts.html b/_includes/related-posts.html
index a673b19..dd925ae 100644
--- a/_includes/related-posts.html
+++ b/_includes/related-posts.html
@@ -76,8 +76,8 @@
 {% endif %}
 
 {% if index_list.size > 0 %}
-  <div id="related-posts" class="mt-5 mb-2 mb-sm-4">
-    <h3 class="pt-2 mt-1 mb-4 ml-1"
+  <div id="related-posts" class="mb-2 mb-sm-4">
+    <h3 class="pt-2 mb-4 ml-1"
       data-toc-skip>{{ site.data.locales[lang].post.relate_posts }}</h3>
     <div class="card-deck mb-4">
     {% for entry in index_list %}
diff --git a/_layouts/page.html b/_layouts/page.html
index 38b46dd..115ead8 100644
--- a/_layouts/page.html
+++ b/_layouts/page.html
@@ -9,7 +9,7 @@ layout: default
 <div class="row">
 
   <!-- core -->
-  <div id="core-wrapper" class="col-12 col-lg-11 col-xl-9 pr-xl-4">
+  <div id="core-wrapper" class="col-12 col-lg-11 col-xl-9 pr-xl-4 pb-5">
     <div class="post pl-1 pr-1 pl-md-2 pr-md-2">
 
     {% capture _content %}