zola-theme-terminimal/templates/404.html

{% extends "index.html" %}

{% block title %}
404
{% endblock title %}

{% block header_menu %}
{{ menu_macros::menu_for(config=config, current_item="") }}
{% endblock header_menu %}

{% block content %}
<div class="post">
  <h1 class="post-title">Lost?</h1>
  <p>This page does not exist.</p>
</div>
{% endblock content %}