> With regard to the problem, scroll bar is set to have 0 pixel width by default, it's a behavior not expected If it shows up in your browser. That isn't corre

> With regard to the problem, scroll bar is set to have 0 pixel width by default, it's a behavior not expected If it shows up in your browser. That isn't correct. > UAs should enforce a minimum actual size of scrollbar width per WCAG 2.1 SC 2.5.5 Target Size If you want the scrollbar not to appear, then the width must be set to 'none': > 'none' - implementations must not display any scrollbar, however the element’s scrollability is not affected.