Reply To: There is an empty space in drop down arrows in mobile.

Hello,

1) I have visited your website, these are product tabs not empty space by any means.
Screenshot for Clarification: https://ibb.co/0Bj1RGZ

2) To add an icon with a link you need to use font-awesome class to display it with the link from Appearance >> Menus.

Screenshot for Clarification: https://ibb.co/MZHdJBm

Best Regards.