:root{color-scheme:light dark}*{box-sizing:border-box}body{margin:0;line-height:1.6}main{max-width:42rem;margin:0 auto;padding:3rem 1.25rem 4rem}h1{font-size:1.75rem;line-height:1.25;margin:0 0 1rem}h2{font-size:1.15rem;margin:2rem 0 .5rem}p,ul{margin:0 0 1rem}ul{padding-left:1.25rem}footer{max-width:42rem;margin:0 auto;padding:0 1.25rem 3rem;font-size:.875rem}footer a{margin-right:1rem}form{margin:2rem 0}label{display:block;margin-bottom:.5rem}input[type=email]{width:100%;max-width:24rem;padding:.5rem;font:inherit}button{margin-top:.75rem;padding:.5rem 1rem;font:inherit;cursor:pointer}