quay/templates/404.html

{% extends "error.html" %}

{% block title %}
  <title>Page Not Found · Quay</title>
{% endblock %}

{% block content %}
  <h3>The page you're looking for doesn't exist!</h3>
  <h4>
    <p>This is somewhat embarrassing, isn’t it? It looks like there's nothing here.</p>
    <p>You probably want to return to the <a href="/">main page</a>.</p>
  </h4>
{% endblock %}