It's pagination - it helps your readers can be read the old posts.
You can change it to pagination numbers or load more posts via Customize > General Options > "Enable Pagination Numbers" and "Enable Load More Posts Button"
If you want to hide it, please try add more this code to Customize > Custom CSS:
How can I hide the preview of the next (older) articles at the bottom of the start page?
Hi,
It's pagination - it helps your readers can be read the old posts.
You can change it to pagination numbers or load more posts via Customize > General Options > "Enable Pagination Numbers" and "Enable Load More Posts Button"
If you want to hide it, please try add more this code to Customize > Custom CSS:
Best Regards,
PenciDesign