{{ $arg := .Get 0 }}
{{ $class := "" }}
{{ if eq $arg "dashed" }}
  {{ $class = "border-dashed" }}
{{ else if eq $arg "dotted" }}
  {{ $class = "border-dotted" }}
{{ else if eq $arg "dashed thick" }}
  {{ $class = "border-dashed border-thick" }}
{{ else if eq $arg "dotted thick" }}
  {{ $class = "border-dotted border-thick" }}
{{ end }}

<div class="child-borders">
  <div class="sm col {{ $class }}">
    {{ .Inner | markdownify }}
  </div>
</div>