css.html.twig

{# Main #}
{% stylesheets
    '@AppBundle/Resources/public/sass/main.scss'
    filter='sass'
    output='css/main.css'
%}
<link href="{{ asset_url }}" rel="stylesheet" type="text/css" />
{% endstylesheets %}

{# Plugins #}
{% stylesheets
    'bundles/app/css/plugins/font-awesome.css'
    'bundles/app/css/plugins/bootstrap-datepicker.css'
    'bundles/app/css/plugins/bootstrap-sweet-alert.css'
    'bundles/app/css/plugins/bootstrap-tags-input.css'
    filter='cssrewrite'
    filter='?uglifycss'
    output='css/plugins.css'
%}
<link href="{{ asset_url }}" rel="stylesheet" type="text/css" />
{% endstylesheets %}