Extract data from Pseudo-element : : before

Good evening, I am a begginer in webscrapper. I'm having difficulties extracting the img because that information in Pseudo-element . Can anyone give me a hand?

HTML:

This element appears when the mouse cursor is hovered over

Url: https://www.avito.ru/rostov-na-donu/predlozheniya_uslug/krasota_zdorove-ASgBAgICAUSYC6qfAQ?cd=1&q=психолог

Sitemap:
{id:"sitemap code"}