sophie-lewis-hugo/themes/sophie-lewis/layouts/partials/header.html

<div class="hero header">
  <div class="hero-body">
    <a href="/">
      <p class="title is-size-0">
        {{ site.Params.header.name }}
      </p>
      <p class="subtitle is-size-4">
        {{ site.Params.header.subtitle }}
      </p>
    </a>
  </div>
</div>