Ctrl + / - The Reveal Tags Command
Okay, go ahead and press Ctrl + / to switch to Reveal Tags mode. Now, hover your cursor over any of the opening or closing tags that you see. You'll notice a screen tip appear. If that element that you hovered over had a class or id assigned to it, you would see that in the screen tip. For example, if you had a class on your <h2> for centering, it might look like this in the screen tip that appears on hover for that element...
This is great for remaining in WYSIWYG mode, especially for those that are still learning.
There are more major advantages to using the Reveal Tags mode and I'll bring you up to snuff on those as we progress forward.
Once we are done with this particular topic, you should be able to seamlessly integrate your external style sheet(s) into FP's WYSIWYG environment.