}}

{{ $darkTiny := $darkSrc.Resize $tinyw }}
{{ $darkSmall := $darkSrc.Resize $smallw }}
{{ $darkMedium := $darkSrc.Resize $mediumw }}
{{ $darkLarge := $darkSrc.Resize $largew }}

{{/* only use images smaller than or equal to the src (original) image size, as Hugo will upscale small images */}}
{{/* set the sizes attribute to (min-width: 35em) 1200px, 100vw unless overridden in shortcode */}}

{{ if lt $darkSrc.Width "500" }}
  {{ $darkTiny := $src}}
  {{ $darkSmall := $src}}
  {{ $darkMedium := $src}}
  {