zdoc/layouts/partials/head/styles.html

{{ $main_options := (dict "targetPath" "css/main.css" "outputStyle" "compressed") }}
{{ $main_template := resources.Get "sass/main.scss" }}
{{ $main_style := $main_template | resources.ExecuteAsTemplate "main_parsed.scss" . | toCSS $main_options | resources.Minify }}
<link rel="stylesheet" href="{{ $main_style.RelPermalink }}">

{{ if .Site.Params.custom_css }}
{{ range .Site.Params.custom_css }}
  {{ $custom_template := resources.Get . }}
  {{ if $custom_template }}
    {{ $custom_style := $custom_template | resources.ToCSS | resources.Minify }}
    <link rel="stylesheet" href="{{ $custom_style.RelPermalink }}">
  {{ end }}
{{ end }}
{{ end }}