.imagen_logo {  background-image: url('https://test-discovery.campussistel.com/public/template/general/logo-17525112131153620090-18.png');  }  .imagen_fondo {  background-image: url('https://test-discovery.campussistel.com/public/template/general/fondo_imagen-1754515745366300448-19.png');  }