h1{font-size:1.125rem;line-height:1.75rem;font-weight:700}@media (min-width:640px){h1{font-size:2.25rem;line-height:2.5rem}}h2{font-size:1rem;line-height:1.5rem;font-weight:600}@media (min-width:640px){h2{font-size:1.5rem;line-height:2rem}}h3{font-size:1rem;line-height:1.5rem;font-weight:600}@media (min-width:640px){h3{font-size:1.25rem;line-height:1.75rem}}