Place your cursor over the post you want to change the background color of. Click the "Edit" link that appears beneath the post's title. Click the "HTML" tab above the post's editor toolbox.

Learn how to set the background color for selected text (instead of the entire document) in TextEdit ...

Whether it's the text, text box, a table, or the entire page, changing the background color can elevate your Google Docs project. Here's how to do it.