:root{color-scheme:dark light;font-family:system-ui;--clr-gray-900: #fefefe;--clr-gray-100: #111;--clr-bg: var(--clr-gray-900);--clr-txt: var(--clr-gray-100)}@media(prefers-color-scheme: dark){:root{--clr-bg: var(--clr-gray-100);--clr-txt: var(--clr-gray-900)}}*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--clr-bg);color:var(--clr-txt)}img{max-width:100%;height:auto;vertical-align:middle;font-style:italic;background-repeat:no-repeat;background-position:center;shape-margin:1rem}.home-link{display:flex;align-items:center;justify-content:center;text-decoration:none;color:inherit;font-size:2rem;line-height:1;background-color:rgba(128,128,128,.125);padding-block:.5rem 1rem;margin-block-end:2rem}body{line-height:1.643}main{max-width:78ch;margin-inline:auto}article{padding-block-end:5rem}article>*+*{margin-block:1em}article h1{font-size:2rem;line-height:1}article h2,article h3,article h4{background-color:var(--clr-bg);margin-block-start:4em;border-block-end:1px solid var(--clr-txt);box-shadow:0 1rem 0 var(--clr-bg);position:sticky;top:0}article ul{padding-inline-start:1.25em}