niobi-8.x-2.0-alpha4/themes/niobi_theme/templates/block--system-branding-block.html.twig

{% extends "block--bare.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 templates
 */
#}
{% block content %}
  <div class="col-md-2">
    {% if site_logo %}
      <a class="logo navbar-btn pull-left" href="{{ path('<front>') }}" title="{{ 'Home'|t }}" rel="home">
        <img src="{{ site_logo }}" alt="{{ 'Home'|t }}" />
      </a>
    {% endif %}
  </div>
{% endblock %}