hugo-theme-even/layouts/shortcodes/admonition.html

{{ if .IsNamedParams -}}

  {{ if eq (.Get "details") "true" -}}

<details class="admonition {{ .Get "type" }}">
  {{- with .Get "title" }}<summary class="admonition-title">{{ . }}</summary>{{ end }}
  {{ .Inner }}
</details>

  {{- else -}}

<div class="admonition {{ .Get "type" }}">
  {{- with .Get "title" }}<p class="admonition-title">{{ . }}</p>{{ end }}
  {{ .Inner }}
</div>

  {{- end }}

{{- else -}}

  {{ if eq (.Get 2) "true" -}}

<details class="admonition {{ .Get 0 }}">
  {{- with .Get 1 }}<summary class="admonition-title">{{ . }}</summary>{{ end }}
  {{ .Inner }}
</details>

  {{- else -}}

<div class="admonition {{ .Get 0 }}">
  {{- with .Get 1 }}<p class="admonition-title">{{ . }}</p>{{ end }}
  {{ .Inner }}
</div>

  {{- end }}

{{- end }}