Although there isn't a direct feature to create borders on Google Docs, there are 3 workarounds that you can use to create that appearance.

How to Make Table Borders Invisible in Google Docs. Formatting Google Docs files to display data in organized rows and columns is an effective way to highlight and convey important ideas, and the ...

There are three main types of documents in Google Docs that you may wish to use: the spreadsheet, the document for word processing, and the presentation document for making presentations. It's easy to ...