h1{margin-top:2rem;font-size:2.5rem;margin-bottom:2rem}h1,h2{font-weight:700}h2{margin-top:1rem;font-size:2rem;margin-bottom:1rem}h3{margin-top:.5rem;font-size:1.5rem;margin-bottom:.5rem}h3,h4{font-weight:700}h4{margin-top:.25rem;font-size:1.25rem;margin-bottom:.25rem}