breadcrumb-the-shire/config/assets.php

<?php

return [
    'styles' => [
        'groups' => [
            'base' => [
                'css/app-layers.css',
                'css/base/variables.base.css',
                'css/base/variables.theme-dark-green.css',
                'css/base/variables.contrast.css',
            ],
            'shared' => [
                'css/components/app-badges.css',
                'css/layout/app-shell.css',
                'css/components/app-dialog.css',
                'css/components/app-blockquote.css',
                'css/components/app-forms.css',
                'css/components/app-flash.css',
                'css/components/app-brand.css',
                'css/components/app-file-upload.css',
            ],
            'core' => [
                'css/core.css',
                'css/components/app-details-validation-summary.css',
            ],
            'login' => [
                'css/pages/app-login.css',
            ],
            'error' => [
                'css/pages/app-error.css',
            ],
            'page-layout' => [
                'css/layout/app-page-layout.css',
            ],
            'docs' => [
                'css/pages/app-docs.css',
            ],
        ],
        'templates' => [
            'default' => ['base', 'core'],
            'login' => ['base', 'shared', 'login'],
            'error' => ['base', 'error'],
            'page' => ['base', 'shared', 'page-layout'],
        ],
    ],
];