How can I make the secondary text larger in my headers/heros?

How can I make the secondary text larger in my headers/heros?

The pages it would effect are
http://www.mcfrecognition.com/
http://www.mcfrecognition.com/why-recognize/
http://www.mcfrecognition.com/who-we-are/
http://www.mcfrecognition.com/products/
http://www.mcfrecognition.com/industry-specializations/