As I see you have made some changes in original files of the Legenda theme. When I activated Legenda theme, not Child theme, the site looks broken. That’s why tabs are shifted.
Please update theme to the latest version.
Here is video tutorial how to update theme: https://www.youtube.com/watch?v=KdWESIIPU1k
Don’t forget to make backup of your site before reupdating.
