{{- $summary := .Get "summary" | default (.Get 0) -}}
{{- $open := .Get "open" | default (.Get 1) | default false -}}
{{- $center := .Get "center" | default (.Get 2) | default false -}}
<details
  {{- with $open }} open{{ end -}}
>
  <summary
    {{- if $center }} class="text-center"{{ end -}}
  >{{ $summary | .Page.RenderString }}</summary>
  {{ .Inner | .Page.RenderString }}
</details>
{{- /* EOF */ -}}