{% form_theme form 'bootstrap_4_layout.html.twig' %}
{{ form_start(form) }}
{{ form_row(form._username)|replace({
'form-group': 'form-group mt-1 mb-0 mx-2 p-0'
})|raw }}
{{ form_row(form._password)|replace({
'form-group': 'form-group mt-1 mb-0 mx-2 p-0'
})|raw }}
{{ form_rest(form)|replace({
'form-group': 'form-group mt-1 mb-0 mr-1 p-0'
})|raw }}
{{ form_end(form) }}