{{ $url := "/media/" }}
{{ $text := "MEDIA LOG" }}

{{ if reflect.IsMap . }}
  {{ $url = .url | default "/media/" }}
  {{ $text = .text | default "MEDIA LOG" }}
{{ end }}

<a href="{{ $url }}" class="crt-tv-link">
  <div class="crt-tv">
    <div class="crt-tv-screen">
      <div class="tv-static"></div>
      <div class="tv-text">{{ $text }}</div>
    </div>
  </div>
</a>