shared-bulma-theme/layouts/shortcodes/imgs.html

<div class="columns is-img-preview">
    {{ range $param := .Params }}
    <!-- image -->
    {{ $items := split $param "|" }}
    {{ $src := (index $items 0) }}
    {{ $title := (index $items 1) }}
    <div class="column">
        <a href="{{ $src }}" title="{{ $title }}">
            <img src="{{ $src }}" alt="{{ $title }}">
        </a>
        {{ if $title }}
            <p class="has-text-centered is-italic has-text-grey-light">{{ $title }}</p>
        {{ end }}
    </div>
    {{ end }}
</div>