PortableInfobox/templates/PortableInfoboxItemTitle.hbs

<{{#if useHeadings}}h2{{else}}div{{/if}} class="pi-item pi-item-spacing pi-title"{{#if inlineStyles}} style="{{inlineStyles}}"{{/if}}{{#if source}} data-source="{{source}}"{{/if}}{{#if item-name}} data-item-name="{{item-name}}"{{/if}}>{{{value}}}</{{#if useHeadings}}h2{{else}}div{{/if}}>