<a class="sidebar-brand{% if logo %} centered{% endif %}" href="{{ pathto(master_doc) }}">
  {% block brand_content %}
  {%- if logo_url %}
  <div class="sidebar-logo-container">
    <img class="sidebar-logo" src="{{ logo_url }}" alt="Logo" />
  </div>
  {%- endif %}
  {%- if theme_light_logo and theme_dark_logo %}
  <div class="sidebar-logo-container">
    <img class="sidebar-logo only-light" src="{{ pathto('_static/' + theme_light_logo, 1) }}" alt="Light Logo" />
    <img class="sidebar-logo only-dark" sr