Check out this video to see how to use Clamp to create responsive headings in Oxygen. You can also see how to set up colors and a color palette via Oxygen's Global Colors.
You can then learn how to create a Hero section with a background image and content, and you'll also see how to adjust the size of your content according to the device size so the image focus is always visible.
Finally, see how easy it is to style Oxygen's Pro Menu element.
