layouts/shortcodes/case-studies/quote.html (12 lines of code) (raw):
{{ if .Get "image" }}
<div class="quote banner {{ if $.Page.Params.use_gradient_overlay }}overlay{{ end }}" style="background-image: url({{ .Get "image" }})">
{{ else }}
<div class="quote banner">
{{ end }}
<div class="quote-text">
{{ .Inner | markdownify }}
{{ if .Get "author" }}
<span class="quote-author">— {{ .Get "author" }}</span>
{{ end }}
</div>
</div>