problem with review widget

I have a strange problem with review widget, i can’t cancel the underline to the left of stars,(https://drive.google.com/file/d/1cEoo8hNRPEodlNkzDYZC9kBww6LB1v_T/view?usp=sharing) i tried multiple times to cancel the section, apply different styles but that line always appear ! there is a way to get rid of it ??