.course-topbar{display:flex;flex-wrap:wrap;align-items:baseline;gap:.5rem 1.5rem;padding:.75rem 1.25rem;border-bottom:2px solid var(--colors-ink)}.course-home{font-weight:700;color:var(--colors-prose);text-decoration:none}.course-nav{display:flex;gap:1rem}.course-nav a{color:var(--colors-link)}.course-main{max-width:46rem;margin:0 auto;padding:1.5rem 1.25rem 4rem}.course-footer{border-top:1px solid var(--colors-ink);padding:1rem 1.25rem 2rem;color:var(--colors-prose);font-size:.875rem}.course-crumb{font-size:.875rem;margin-bottom:.25rem}.course-crumb a{color:var(--colors-link)}.course-article-head h1{line-height:1.2;margin:0 0 .5rem}.course-lede{font-size:1.125rem;line-height:1.6}.course-prose{line-height:1.7}.course-prose h2,.course-prose h3{line-height:1.3;margin-top:2rem}.course-prose a{color:var(--colors-link)}.course-prose code{font-family:var(--fonts-mono);font-size:.9em}.course-prose pre{background:var(--colors-ink);color:var(--colors-paper);padding:1rem;overflow-x:auto;border-radius:.5rem}.course-prose pre code{background:0 0;color:inherit}.course-prose table{border-collapse:collapse;width:100%;margin:1rem 0}.course-prose th,.course-prose td{border:1px solid var(--colors-ink);padding:.5rem .75rem;text-align:left}.course-prose blockquote{border-left:3px solid var(--colors-ember);margin-left:0;padding-left:1rem}.course-index-list{list-style:none;padding:0}.course-index-list li{margin:.5rem 0}.course-index-list a{color:var(--colors-link);font-size:1.125rem}.course-pager{display:flex;justify-content:space-between;gap:1rem;margin-top:3rem;border-top:1px solid var(--colors-ink);padding-top:1rem}.course-pager a{color:var(--colors-link)}