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.t216.design-system .opt-controls-hint{font-size:.82rem;line-height:1.4;color:#5d6d79;margin:.35rem 0 0}
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.opt-comparison-body{padding:.9rem 1.2rem 1rem}
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.opt-book-page{padding:1.4rem 0 2rem;border-bottom:1px solid #d7dfe4;scroll-margin-top:12rem}
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.opt-page-marker a{color:inherit;text-decoration:none;border-bottom:1px solid currentColor}
.opt-page-pdf{font:400 .78rem/1.5 Arial,sans-serif;color:#627481}
.opt-page-content{font:1.14rem/1.75 Georgia,'Times New Roman',serif;color:#202b32}
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.opt-passage-notes{display:grid;gap:.7rem}
.t216.design-system .opt-passage h3{font:700 1.3rem/1.45 Georgia,serif;color:var(--ink);margin:.9rem 0 .15rem}
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.opt-figure{margin:1.3rem 0 1.1rem;max-width:43rem}
.opt-figure img{display:block;max-width:100%;height:auto;max-height:42rem;object-fit:contain}
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.opt-pager{display:flex;justify-content:space-between;gap:1.5rem;padding:2rem 0}
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@media(max-width:1200px){.opt-passage{grid-template-columns:minmax(0,1fr) 13rem;gap:1rem}}
@media(max-width:1050px){.opt-passage{display:block;max-width:44rem}.opt-note{margin:.75rem 0 .5rem}.opt-page-jump{margin-left:0}}
@media(max-width:700px){.opt-directory-grid{grid-template-columns:1fr}.opt-controls{position:static;box-shadow:none}.opt-controls-row{align-items:stretch}.opt-controls-row>label{width:100%}.opt-controls select{width:100%}.opt-page-jump{width:100%;margin-top:.3rem}.opt-page-jump label{margin-right:auto}.opt-filter{font-size:.79rem}.opt-reading-head{padding:1.4rem 0 1rem}.opt-audio{margin-top:1.1rem;padding:1rem .8rem}.opt-comparison summary{padding:.72rem .8rem}.opt-comparison-body{padding:.85rem .9rem}.opt-book-page{scroll-margin-top:5rem;padding:1.05rem 0 1.5rem}.opt-page-content{font-size:1.09rem;line-height:1.77}.opt-page-marker{margin-bottom:.85rem}}
@media print{.opt-controls,.opt-pager,.opt-note,.opt-audio,.opt-comparison{display:none!important}.opt-reader{margin:0;padding:0;max-width:none}.opt-passage{display:block}.opt-mark{print-color-adjust:exact;-webkit-print-color-adjust:exact}.opt-book-page{break-after:page;border:0;scroll-margin:0}.opt-page-content{font-size:11pt;line-height:1.5}}

/* The author's sources are separate from the colored course annotations. */
.opt-source-ref{font:700 .8em/1 Arial,sans-serif;vertical-align:super;white-space:nowrap}
.opt-source-ref a{display:inline-block;padding:.2em .3em;color:#234d70;text-decoration:underline;text-underline-offset:.14em;scroll-margin-top:13rem}
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.opt-source-note:target,.opt-source-note:focus{outline:2px solid #285c8e;outline-offset:3px}
.opt-source-note>strong{display:block;font-size:.875rem;margin-bottom:.35rem}
.t216.design-system .opt-source-note p,.beta-site .beta-reading-text .opt-source-note p{font:400 .9375rem/1.6 Arial,sans-serif!important;margin:.45rem 0;max-width:none}
.opt-source-note .opt-source-links a{color:#234d70;text-decoration:underline}
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@media(max-width:1050px){.opt-source-note{margin:.5rem 0 1rem}.opt-source-ref a{min-width:1.5rem;text-align:center;padding-block:.35rem}.opt-source-note,.opt-source-ref a{scroll-margin-top:6rem}}
@media print{.opt-source-note{display:block!important;background:none;break-inside:avoid;margin:.6rem 0;font-size:9pt}.opt-source-ref a{color:inherit}.opt-source-note .opt-source-links{display:none}.opt-passage-notes{display:block}}

/* Section study aids sit beneath their headings, outside the book's prose. */
.opt-section-summary{box-sizing:border-box;width:100%;max-width:43rem;margin:.65rem 0 1.75rem;padding:1rem 1.2rem;border:1px solid #c7d1da;border-left:4px solid #526d80;background:#f4f7f9;color:#243744;scroll-margin-top:13rem}
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.t216.design-system .opt-section-summary ul{margin:.5rem 0 0;padding-left:1.3rem}
.t216.design-system .opt-section-summary li{font:400 1rem/1.6 Arial,sans-serif;margin:.3rem 0;padding-left:.15rem}
.t216.design-system .opt-introduction-heading h3{font:700 1.3rem/1.45 Georgia,serif;color:var(--ink);margin:.9rem 0 .15rem}
.beta-site.beta-large .opt-section-summary .opt-summary-paragraph,.beta-site.beta-large .opt-section-summary li{font-size:1.2rem!important}
@media(max-width:700px){.opt-section-summary{padding:.9rem 1rem;margin-bottom:1.4rem;scroll-margin-top:5rem}}
@media print{.opt-section-summary{max-width:none;background:none;border-color:#888;break-inside:avoid}.t216.design-system .opt-section-summary .opt-summary-paragraph,.t216.design-system .opt-section-summary li{font-size:10pt!important}}