Update layout

src/_includes/partials/posts.njk

@@ -1,11 +1,10 @@
 {% if postslist %}
-<ul role="list">
+<ul class="flow">
     {% asyncEach post in postslist %}
         <li>
-            <h2>
-                <a href="{{ post.url | url }}">{{ post.data.title }}</a>
-            </h2>
-            {% set definedDate = post.date %} {% include "partials/date.njk" %}
+            <h3>{% set definedDate = post.date %}
+                <a href="{{ post.url | url }}">{{ post.data.title }} ({% include "partials/date.njk" %})</a>
+            </h3>
             <p>{{ post.data.description }}</p>
         </li>
     {% endeach %}