Create a child theme and use this code or just copy and paste the block content into your theme.
{extends file='parent:catalog/_partials/product_details.tpl'} {block name='product_features'} {if $product.grouped_features} <section class="product-features d-inline-block"> <dl class="data-sheet"> {foreach from=$product.grouped_features item=feature} <div class="row no-gutters col-12 col-md-6"> <dt class="name">{$feature.name}</dt> <dd class="value">{$feature.value|escape:'htmlall'|nl2br nofilter}</dd> </div> {/foreach} </dl> </section> {/if} {/block}