Issue 5102 - Replaced semantically incorrect <hr> elements with :after styles

templates/blog-entry.tmpl

 {#
  # This file is part of acceptableads.org.
  # Copyright (C) 2017-present eyeo GmbH
  #
  # acceptableads.org is free software: you can redistribute it and/or modify
  # it under the terms of the GNU General Public License as published by
  # the Free Software Foundation, either version 3 of the License, or
  # (at your option) any later version.
  #
  # acceptableads.org is distributed in the hope that it will be useful,
  # but WITHOUT ANY WARRANTY; without even the implied warranty of
  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  # GNU General Public License for more details.
  #
  # You should have received a copy of the GNU General Public License
  # along with acceptableads.org.  If not, see <http://www.gnu.org/licenses/>.
  #}
  
 {% extends "templates/default" %}
 {% if not og_image and featured_img_url %}
   {% set og_image = featured_img_url %}
 {% endif %}
 {% block head %}
   <meta property="og:article:published_time" content="{{ published_date }}">
   <meta name="author" content="{{ author }}">
 {% endblock %}
 {% block blog %}
   <article role="main">
     <h1>{{ title }}</h1>
-    <hr>
     <div class="row">
       <div class="col-6 push-6">
         <img
             class="block"
             src="{{ featured_img_url }}"
             alt="{{ featured_img_alt }}">
       </div>
       <div class="col-6 pull-6 m-b-xl">
         <p>
           <b>
             POSTED
             <time datetime="{{ published_date }}">
               {{ humanize_date(published_date) }}
             </time>
           </b>
           <span class="muted">
             by {{ author }}
           </span>
         </p>
         {{ super() }}
       </div>
     </div>
   </article>
 {% endblock %}