jichan.org-go/dict/templates/partials/404.html

{{ define "404" }}
<div class="center">
    <br>
    <h1>404 Not Found</h1>
    <img src="https://tenor.com/view/fumo-touhou-reimu-reimu-peek-peeking-gif-22922061.gif" style="width: 256px" alt="Reimu fumo can't find nothin">
    <p>Looks like this page doesn't exist?</p>
</div>
{{ end }}