h1{font-size:clamp(2.25rem,4vw + 1rem,3.25rem)}h2{font-size:clamp(2rem,3vw + 1rem,2.5rem)}h3{font-size:clamp(1.75rem,2vw + 1rem,2rem)}h4{font-size:clamp(1.5rem,1.5vw + 1rem,1.75rem)}