<article class="preview xl4m1 m6m1 s12 box">
    <a href="{{ .RelPermalink }}">
        <div class="visual" style="{{ if .Params.preview }}background-image:url({{ .RelPermalink }}{{ .Params.preview }});{{ end }}"></div>
        <div class="caption">
            {{ .Title }}
        </div>
    </a>
</article>