<a {{ with .Get "href"}} href="{{.}}" target="_blank" {{ end }} class="btn btn-default">
  {{ $icon := .Get "icon" }}
  {{ $iconposition := .Get "icon-position" }}
  {{ if ($icon) }}
    {{ if or (not ($iconposition)) (eq $iconposition "left") }}
  <i class="{{$icon}}"></i>
    {{ end }}
  {{ end }}
  {{ .Inner }}
  {{ if and ($icon) (eq $iconposition "right")}}
  <i class="{{$icon}}"></i>
  {{ end }}
</a>