body::before {
    background-image: image-set(
        url('/img/bg/dates.avif?v=1') type('image/avif'),
        url('/img/bg/dates.webp?v=1') type('image/webp'),
        url('/img/bg/dates.jpg?v=1') type('image/jpeg')
    );
}

body::after {
    background: rgba(0, 0, 0, 0.2);
}