---json
{
"layout": "base",
"title": "File Not Found",
"permalink": "404.html",
"eleventyExcludeFromCollections": true
}
---
{% css %}
h1 { color: red; }
{% endcss %}

<h1>ERROR: 404</h1>
<p>{{ title }}</p>
Go <a href="/">home</a>.