Remove styles, rename some classes

source/_includes/badges.html.twig

@@ -1,4 +1,4 @@
-<div class="panel badges text-center">
+<div class="panel badges has-text-centered">
     <a href="https://assoc.drupal.org/membership" title="I’m a Drupal Association member." class="is-block">
         <img
             src="{{ site.images_url }}/assets/images/badges/da-individual-member.png"

source/_includes/post/header.html.twig

@@ -1,4 +1,4 @@
 {% set title_tag = title_tag ?: 'h1' %}
 <{{ title_tag }}>{{ page.title }}</{{ title_tag }}>
 
-<p class="posted text-light">{{ page.date|date('jS F Y') }}</p>
+<p class="posted">{{ page.date|date('jS F Y') }}</p>