squirrel/layouts/_default/single.html

{{ define "main" }}
  {{ with .Params.image }}
    {{ if .url }}
      {{- partial "components/image.html" (dict "style" "coverimage" "url" .url "alt" .alt) -}}
    {{ else }}
      {{- partial "components/image.html" (dict "style" "coverimage" "url" . "alt" "Cover") -}}
    {{ end }}
  {{ end }}
  <div class="content">
    {{ with .Title }}
      {{ partial "components/title.html" . }}
    {{ end }}
    {{ .Content }}
  </div>
{{ end }}