body {font-size: 1.8rem} h1 {font-size: 4.8rem} h2 {font-size: 3.6rem} h3 {font-size: 2.8rem} h4 {font-size: 2.3rem} h5 {font-size: 2rem} h6 {font-size: 2rem; font-weight: 400; text-transform: uppercase}