uswds_base-8.x-2.0-alpha1/templates/block/block--system-branding-block.html.twig

{#
/**
 * @file
 * Default theme implementation for a branding block.
 *
 * Each branding element variable (logo, name, slogan) is only available if
 * enabled in the block configuration.
 *
 * Available variables:
 * - site_logo: Logo for site as defined in Appearance or theme settings.
 * - site_name: Name for site as defined in Site information settings.
 * - site_slogan: Slogan for site as defined in Site information settings.
 *
 * @ingroup themeable
 */
#}
<div class="usa-logo site-logo" id="logo">

  <em class="usa-logo-text">
  {% if site_logo %}
    <a class="logo-img" href="{{ path('<front>') }}" accesskey="1" title="{{ 'Home'|t }}" aria-label="Home">
      <img src="{{ site_logo }}" alt="{{ 'Home'|t }}" />
    </a>
  {% endif %}

  {% if site_name %}
      <a href="{{ path('<front>') }}" accesskey="1" title="{{ 'Home'|t }}" aria-label="Home">
        <span class="site-title">{{ site_name }}</span>
      </a>
  {% endif %}

  {% if site_slogan %}
    <h2 class="usa-font-lead">{{ site_slogan }}</h2>
  {% endif %}
  <button class="usa-menu-btn">Menu</button>
  </em>

</div>