Click the "HTML" button in the post editor toolbar. Tumblr switches the post editor to HTML mode. Scroll to the section of code that contains text or the object that you want to center.

Recently GitHub launched its Github.dev service.If you’re browsing some code in a repo, all you need to do to launch an editor is press “.” or edit the page URL, switching out .com for .dev.

Visual Studio Code, or VS Code for short, is a lightweight but powerful source code editor that runs on your desktop and is available for Windows, macOS, and Linux.