readme.css

    html {
      color: #1a1a1a;
      background-color: #fdfdfd;
    }

    body {
      margin: 0 auto;
      max-width: 36em;
      padding-left: 50px;
      padding-right: 50px;
      padding-top: 50px;
      padding-bottom: 50px;
      hyphens: auto;
      overflow-wrap: break-word;
      text-rendering: optimizeLegibility;
      font-kerning: normal;
    }

    @media (max-width: 600px) {
      body {
        font-size: 0.9em;
        padding: 12px;
      }

      h1 {
        font-size: 1.8em;
      }
    }

    @media print {
      html {
        background-color: white;
      }

      body {
        background-color: transparent;
        color: black;
        font-size: 12pt;
      }

      p,
      h2,
      h3 {
        orphans: 3;
        widows: 3;
      }

      h2,
      h3,
      h4 {
        page-break-after: avoid;
      }
    }

    p {
      margin: 1em 0;
    }

    a {
      color: #1a1a1a;
    }

    a:visited {
      color: #1a1a1a;
    }

    img {
      max-width: 100%;
    }

    svg {
      height: auto;
      max-width: 100%;
    }

    h1,
    h2,
    h3,
    h4,
    h5,
    h6 {
      margin-top: 1.4em;
    }

    h5,
    h6 {
      font-size: 1em;
      font-style: italic;
    }

    h6 {
      font-weight: normal;
    }

    ol,
    ul {
      padding-left: 1.7em;
      margin-top: 1em;
    }

    li>ol,
    li>ul {
      margin-top: 0;
    }

    blockquote {
      margin: 1em 0 1em 1.7em;
      padding-left: 1em;
      border-left: 2px solid #e6e6e6;
      color: #606060;
    }

    code {
      font-family: Menlo, Monaco, Consolas, 'Lucida Console', monospace;
      font-size: 85%;
      margin: 0;
      hyphens: manual;
    }

    pre {
      margin: 1em 0;
      overflow: auto;
    }

    pre code {
      padding: 0;
      overflow: visible;
      overflow-wrap: normal;
    }

    .sourceCode {
      background-color: transparent;
      overflow: visible;
    }

    hr {
      background-color: #1a1a1a;
      border: none;
      height: 1px;
      margin: 1em 0;
    }

    table {
      margin: 1em 0;
      border-collapse: collapse;
      width: 100%;
      overflow-x: auto;
      display: block;
      font-variant-numeric: lining-nums tabular-nums;
    }

    table caption {
      margin-bottom: 0.75em;
    }

    tbody {
      margin-top: 0.5em;
      border-top: 1px solid #1a1a1a;
      border-bottom: 1px solid #1a1a1a;
    }

    th {
      border-top: 1px solid #1a1a1a;
      padding: 0.25em 0.5em 0.25em 0.5em;
    }

    td {
      padding: 0.125em 0.5em 0.25em 0.5em;
    }

    header {
      margin-bottom: 4em;
      text-align: center;
    }

    #TOC li {
      list-style: none;
    }

    #TOC ul {
      padding-left: 1.3em;
    }

    #TOC>ul {
      padding-left: 0;
    }

    #TOC a:not(:hover) {
      text-decoration: none;
    }

    code {
      white-space: pre-wrap;
    }

    span.smallcaps {
      font-variant: small-caps;
    }

    div.columns {
      display: flex;
      gap: min(4vw, 1.5em);
    }

    div.column {
      flex: auto;
      overflow-x: auto;
    }

    div.hanging-indent {
      margin-left: 1.5em;
      text-indent: -1.5em;
    }

    /* The extra [class] is a hack that increases specificity enough to
       override a similar rule in reveal.js */
    ul.task-list[class] {
      list-style: none;
    }

    ul.task-list li input[type="checkbox"] {
      font-size: inherit;
      width: 0.8em;
      margin: 0 0.8em 0.2em -1.6em;
      vertical-align: middle;
    }

    .display.math {
      display: block;
      text-align: center;
      margin: 0.5rem auto;
    }

    body {
      margin: 2em;
      padding-right: 1em;
      padding-left: 1em;
      max-width: 7in;
      color: black;
      font-family: Verdana, Geneva, sans-serif;
      font-size: 100%;
      line-height: 140%;
      background: whitesmoke;
    }

    p,
    ul,
    li {
      font-family: Georgia, Garamond, serif;
    }