:root{--font-size:18px;--font-family-body:'Roboto Mono', monospace, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;--font-family-heading:'Roboto Mono', monospace, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;--line-height-body:1.5;--line-height-heading:1.25}body{font-family:var(--font-family-body);font-size:var(--font-size);line-height:var(--line-height-body);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.book-article{padding-top:2rem}.markdown{line-height:var(--line-height-body)}.markdown h1,.markdown h2,.markdown h3,.markdown h4,.markdown h5,.markdown h6{font-family:var(--font-family-heading);line-height:var(--line-height-heading)}.markdown h1{font-size:2rem;margin:2rem 0 1rem}.markdown h2{font-size:1.6rem;margin:1.75rem 0 .75rem}.markdown h3{font-size:1.3rem;margin:1.5rem 0 .5rem}.markdown h4{font-size:1.1rem;margin:1.25rem 0 .5rem}.book-layout-center .book-page .markdown{text-align:center}.book-layout-center .book-page .markdown ul{display:inline-block;text-align:left}.book-title{margin-top:0;margin-bottom:2rem}@media(max-width:768px){.markdown h1{font-size:1.6rem}.markdown h2{font-size:1.35rem}.markdown h3{font-size:1.15rem}}html.theme-light{--body-background:#ffffff;--body-background-tint:none;--body-font-color:#1a1a1a;--color-link:#0055bb;--color-visited-link:#5500bb;--icon-filter:none;--gray-100:#f8f9fa;--gray-200:#e9ecef;--gray-500:#adb5bd}.theme-toggle{background:0 0;border:none;cursor:pointer;padding:.25em;line-height:1;display:inline-flex;align-items:center;justify-content:center;color:var(--body-font-color);opacity:.6;transition:opacity .2s}.theme-toggle:hover{opacity:1}.theme-toggle svg{width:1.1em;height:1.1em;display:block}.book-brand{display:flex;align-items:center;gap:.5em}