Make headings in blog card smaller

templates/blog/card.html

@@ -11,8 +11,8 @@
               </a>
             </div>
             <div class="card-content">
-              <a href="{{ post.permalink }}"><h3 class="title is-3">{{ post.title }}</h3></a>
-              <p class="subtitle">
+              <a href="{{ post.permalink }}"><h3 class="title is-4">{{ post.title }}</h3></a>
+              <p class="subtitle is-5">
                 {{ post.date }} ·
                 {% for author in post.authors %}
                   {{ author }}