Add and update hr between sections

src/pages/index.astro

@@ -81,9 +81,10 @@ const sortedPosts = getSortedPosts(posts);
           </LinkButton>
         </div>
       </div>
-      <hr class="border-skin-line" />
     </section>
 
+    <hr class="h-row" />
+
     <section id="featured-section">
       <h2>Featured</h2>
       <ul>
@@ -102,6 +103,8 @@ const sortedPosts = getSortedPosts(posts);
       </ul>
     </section>
 
+    <hr class="h-row" />
+
     <section id="recent-section">
       <h2>Recent</h2>
       <ul>