static/frontend/error/error.tmpl

<!--
  Copyright 2020 The Go Authors. All rights reserved.
  Use of this source code is governed by a BSD-style
  license that can be found in the LICENSE file.
-->

{{define "title"}}<title>{{.HTMLTitle}} · pkg.go.dev</title>{{end}}

{{define "pre-content"}}
  <link href="/static/frontend/error/error.css?version={{.AppVersionLabel}}" rel="stylesheet">
{{end}}

{{define "main"}}
  <main class="go-Container">
    <div class="go-Content go-Content--center">
      {{template "gopher-airplane" ""}}
      {{template "message" .MessageData}}
    </div>
  </main>
{{end}}