If you are facing problems with your Safari web browser a reset to its default settings will fix the problems. Follow below steps to reset the Safari to the default settings and return to its default state.
1. Click Edit ( gear button on the upper-right corner ) and choose Reset Safari.

2. Deselect any items you don’t want to reset like ( Remove saved names and passwords, Remove other AutoFill form text, Clear history, etc)

3. Click the Reset.