reitanlage-oranienburg/templates/partials/logo.html.twig

{% set logo = theme_var('custom_logo') %}
{% if style %}
    {% set style='style="' ~ style ~ '"' %}
{% else %}
    {% set style='' %}
{% endif %}
{% if logo %}
    {% set logo_file = (logo|first).name %}
    <img {{ style }} alt="The logo of the webpage" src="{{ url('theme://images/logo/' ~ logo_file) }}" />
{% else %}
    <img {{ style }} alt="The logo of the webpage" src="{{ url('theme://images/logo.svg') }}" />
{% endif %}