rails_template/app/views/home/index.html.erb

<div class="home-index">
  <section class="hero is-medium is-primary is-bold">
    <div class="hero-body">
      <div class="container">
        <h1 class="title">
          <%= App::Config::APP_TITLE %>
        </h1>
        <h2 class="subtitle">
          My first website with <strong>Bulma</strong>!
        </h2>
      </div>
    </div>
  </section>

  <div class="home-body">

  </div>
</div>