Customisable homepage limit posts

_layouts/home.html

@@ -3,12 +3,12 @@ layout: default
 home: true
 ---
 
-<h4 class="posts-item-note">Recent Posts</h4>
-{% for post in site.posts %}
+<h3 class="posts-item-note" aria-label="Recent Posts">Recent Posts</h3>
+{%- for post in site.posts limit: site.number_of_posts -%}
 <article class="post-item">
   <span class="post-item-date">{{ post.date | date: "%b %d, %Y" }}</span>
   <h4 class="post-item-title">
     <a href="{{ post.url }}">{{ post.title | escape }}</a>
   </h4>
 </article>
-{% endfor %}
+{%- endfor -%}