Survey Form Alignment

In the Responsive Web Design Projects > Build a Survey Form, there’s an example survey form:

I’m wondering how to get that center alignment: the words aligned on one side and fields aligned on the other side like that. I know that’s just an example but I like that alignment.

Link to the challenge:

Look at the rowTab and rightTab classes in the example. Right click > Inspect Element

Take a look at this codepen for forms layout inspiration.