As a teacher, you might find yourself creating documents for your students, colleagues, or parents. Sometimes you want to add a little extra flair to your documents, and one way to do that is by adding a horizontal line to separate sections or emphasize important information. The good news is that you don’t need to go searching for an external tool to do this – Google Docs has a built-in way to create a horizontal line using the @ symbol. Horizontal Lines in Google Docs