www.doublefourteen.io/themes/doublefourteen/shortcodes/sponsor-logos.html

<style type="text/css">
	.logos img {
	  margin: 20px;
	  object-fit: contain;
	}

	.logos.monetary img {
	  max-width: 320px;
	  max-height: 320px;
	}

	.logos.services img {
	  max-width: 170px;
	  max-height: 170px;
	}
</style>
<div class="logos {{.Get 0}}">
	{{ .Inner }}
</div>