{{- $label := .Get "label" | default (.Get 0) -}}
{{- $group := .Get "group" -}}
{{- $id := printf "%s-%d" $group .Ordinal -}}
<input type="radio" name="{{ $group }}" id="{{ $id }}" class="tab-radio"{{ if eq (.Get "first") "true" }} checked{{ end }}>
<label for="{{ $id }}" class="tab-label">{{ $label }}</label>
<div class="tab-panel">
{{ .Inner | markdownify }}
</div>