blog: various appareance improvments: - use new .box classe - article as a maxium size and is expandable on click - display comments in a different way - author and date are now visible - responsive design - placeholders on comment input - transitions - various other improvments

{% extends 'error/base.html' %}

{% block body %}
<h1>Not Found</h1>
<p>Sorry, we can't find the resource you are trying to access.</p>
{% endblock body %}