{{ $is_list := .is_list }}
{{ $ := .content }}

{{ if $is_list }}
<a class="btn btn-primary btn-outline btn-xs" href="{{ $.Permalink }}">
  Details
</a>
{{ end }}
{{ with $.Params.url_pdf }}
<a class="btn btn-primary btn-outline{{ if $is_list }} btn-xs{{end}}" href="{{ . | absURL }}">
  PDF
</a>
{{ end }}
{{ with $.Params.url_slides }}
<a class="btn btn-primary btn-outline{{ if $is_list }} btn-xs{{end}}" href="{{ . | absURL }}">
  Slides
</a>
{{ end }}
{{ with $.Params.url_video }}
<a class="btn btn-primary btn-outline{{ if $is_list }} btn-xs{{end}}" href="{{ . | absURL }}">
  Video
</a>
{{ end }}
{{ range $.Params.url_custom }}
<a class="btn btn-primary btn-outline{{ if $is_list }} btn-xs{{end}}" href="{{ .url | absURL }}">
  {{ .name }}
</a>
{{ end }}