In the following pen, you will need to add the correct class from the pre-defined classes inside the correct elements.
Basically, look at the available classes, for example
This would be the styling that we would want to apply to the header of our website. In the html, the following element appears to be the correct header that needs this styling:
So we would add the class two to it like this:
And our preview will now look like this:
One class may be used many times, and some elements may not need a class at all!