@charset "UTF-8";
@Charset "UTF-8";
@font-face {
  font-family: 'IBM Plex Serif';
  font-style: bold;
  src: url("/style/IBMPlexSerif-Bold.otf") format("opentype"); }
@font-face {
  font-family: 'IBM Plex Serif';
  font-style: italic;
  src: url("/style/IBMPlexSerif-Italic.otf") format("opentype"); }
@font-face {
  font-family: 'IBM Plex Serif';
  font-style: normal;
  src: url("/style/IBMPlexSerif-Regular.otf") format("opentype"); }
@font-face {
  font-family: 'Source Code Pro';
  font-style: normal;
  src: url("/style/SourceCodePro-Regular.otf") format("opentype"); }
@font-face {
  font-family: "Source Sans";
  font-style: normal;
  src: url("/style/SourceSans.ttf") format("truetype"); }
q {
  quotes: "“" "”" "‘" "’"; }

html {
  font-size: 15px;
  font-kerning: normal;
  counter-reset: sidenote-counter; }

body {
  width: 87.5%;
  margin-left: auto;
  margin-right: auto;
  padding-left: 12.5%;
  background-color: #fffffa;
  color: #000000;
  max-width: 1400px;
  font-family: "IBM Plex Serif", serif; }

h1 {
  font-weight: 400;
  font-style: normal;
  font-size: 3.2rem;
  margin-top: 4rem;
  margin-bottom: 1.5rem;
  line-height: 1; }

h2 {
  font-weight: 400;
  font-style: italic;
  font-size: 2.2rem;
  margin-top: 2.1rem;
  margin-bottom: 1.4rem;
  line-height: 1; }

h3 {
  font-weight: 400;
  font-style: italic;
  font-size: 1.7rem;
  margin-top: 2rem;
  margin-bottom: 1.4rem;
  line-height: 1; }

p.subtitle {
  margin-top: 1rem;
  margin-bottom: 1rem;
  font-style: italic;
  font-size: 1.8rem;
  display: block;
  line-height: 1; }

.numeral {
  font-family: "IBM Plex Serif", serif; }

.danger {
  color: red; }

section {
  padding-top: 1rem;
  padding-bottom: 1rem; }

p,
dl,
ol,
ul {
  font-size: 1.4rem;
  line-height: 2rem; }

p {
  margin-top: 1.4rem;
  margin-bottom: 1.4rem;
  padding-right: 0;
  vertical-align: baseline; }

nav {
  width: 20%;
  float: left;
  left: 0;
  top: 0; }

div.overall-site-nav {
  width: 12.5%;
  position: fixed;
  margin-top: 1.9rem;
  left: 0;
  top: 0; }

.columns {
  width: 55%; }

.column-l {
  float: left;
  width: 50%; }

.column-r {
  float: right;
  width: 50%;
  text-align: left; }

div.epigraph {
  margin: 1em 0; }

div.epigraph > blockquote {
  margin-top: 1rem;
  margin-bottom: 1rem;
  width: 87.5%; }

div.epigraph > blockquote,
div.epigraph > blockquote > p {
  font-style: italic; }

div.epigraph > blockquote > footer {
  font-style: normal; }

div.epigraph > blockquote > footer > cite {
  font-style: italic; }

blockquote {
  font-size: 1.4rem; }

blockquote p {
  width: 55%;
  margin-right: 40px; }

blockquote footer {
  width: 55%;
  font-size: 1.1rem;
  text-align: right; }

section > p,
section > footer,
section > table {
  width: 55%; }

section > dl,
section > ol,
section > ul {
  width: 50%;
  -webkit-padding-start: 5%; }

dt:not(:first-child),
li:not(:first-child) {
  margin-top: 0.25rem; }

img {
  max-width: 100%; }

figure {
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline;
  max-width: 55%;
  -webkit-margin-start: 0;
  -webkit-margin-end: 0;
  margin: 0 0 3em 0; }

figcaption {
  float: right;
  clear: right;
  margin-top: 0;
  margin-bottom: 0;
  font-size: 1.1rem;
  line-height: 1.6;
  vertical-align: baseline;
  position: relative;
  max-width: 40%; }

figure.fullwidth figcaption {
  margin-right: 24%; }

div.fullwidth,
table.fullwidth {
  width: 100%; }

div.table-wrapper {
  overflow-x: auto;
  font-family: "Source Sans", sans-serif; }

.iframe-wrapper {
  position: relative;
  padding-bottom: 56.25%;
  /* 16:9 */
  padding-top: 25px;
  height: 0; }

.iframe-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%; }

a:link,
a:visited {
  color: inherit; }

.no-tufte-underline:link {
  background: unset;
  text-shadow: unset; }

a:link, .tufte-underline, .hover-tufte-underline:hover {
  text-decoration: none;
  background: -webkit-linear-gradient(#fffff8, #fffff8), -webkit-linear-gradient(#fffff8, #fffff8), -webkit-linear-gradient(currentColor, currentColor);
  background: linear-gradient(#fffff8, #fffff8), linear-gradient(#fffff8, #fffff8), linear-gradient(currentColor, currentColor);
  -webkit-background-size: 0.05em 1px, 0.05em 1px, 1px 1px;
  -moz-background-size: 0.05em 1px, 0.05em 1px, 1px 1px;
  background-size: 0.05em 1px, 0.05em 1px, 1px 1px;
  background-repeat: no-repeat, no-repeat, repeat-x;
  text-shadow: 0.03em 0 #fffff8, -0.03em 0 #fffff8, 0 0.03em #fffff8, 0 -0.03em #fffff8, 0.06em 0 #fffff8, -0.06em 0 #fffff8, 0.09em 0 #fffff8, -0.09em 0 #fffff8, 0.12em 0 #fffff8, -0.12em 0 #fffff8, 0.15em 0 #fffff8, -0.15em 0 #fffff8;
  background-position: 0% 93%, 100% 93%, 0% 93%; }

@media screen and (-webkit-min-device-pixel-ratio: 0) {
  a:link, .tufte-underline, .hover-tufte-underline:hover {
    background-position-y: 87%, 87%, 87%; } }
a:link::selection,
a:link::-moz-selection {
  text-shadow: 0.03em 0 #b4d5fe, -0.03em 0 #b4d5fe, 0 0.03em #b4d5fe, 0 -0.03em #b4d5fe, 0.06em 0 #b4d5fe, -0.06em 0 #b4d5fe, 0.09em 0 #b4d5fe, -0.09em 0 #b4d5fe, 0.12em 0 #b4d5fe, -0.12em 0 #b4d5fe, 0.15em 0 #b4d5fe, -0.15em 0 #b4d5fe;
  background: #b4d5fe; }

.sidenote,
.marginnote {
  float: right;
  clear: right;
  margin-right: -60%;
  width: 50%;
  margin-top: 0.3rem;
  margin-bottom: 0;
  font-size: 1.1rem;
  line-height: 1.3;
  vertical-align: baseline;
  position: relative; }

.sidenote-number {
  counter-increment: sidenote-counter; }

.sidenote-number:after,
.sidenote:before {
  font-family: "IBM Plex Serif", serif;
  position: relative;
  vertical-align: baseline; }

.sidenote-number:after {
  content: counter(sidenote-counter);
  font-size: 1rem;
  top: -0.5rem;
  left: 0.1rem; }

.sidenote:before {
  content: counter(sidenote-counter) " ";
  font-size: 1rem;
  top: -0.5rem; }

blockquote .sidenote,
blockquote .marginnote {
  margin-right: -82%;
  min-width: 59%;
  text-align: left; }

.sans {
  font-family: "Source Sans", Calibri, sans-serif;
  letter-spacing: .03em; }

code, pre > code {
  font-family: "Source Code Pro", Consolas, "Liberation Mono", monospace;
  font-size: 1.4rem;
  -webkit-text-size-adjust: 100%;
  /* Prevent adjustments of font size after orientation changes in iOS. See https://github.com/edwardtufte/tufte-css/issues/81#issuecomment-261953409 */ }

.sans > code {
  font-size: 1.4rem; }

h1 > code,
h2 > code,
h3 > code {
  font-size: 0.80em; }

.marginnote > code,
.sidenote > code {
  font-size: 1rem; }

pre > code {
  font-size: 0.9rem;
  width: 52.5%;
  margin-left: 2.5%;
  overflow-x: auto;
  display: block; }

pre.fullwidth > code {
  width: 90%; }

.fullwidth {
  max-width: 90%;
  clear: both; }

span.newthought {
  font-size: 1.2em; }

input.margin-toggle {
  display: none; }

label.sidenote-number {
  display: inline; }

label.margin-toggle:not(.sidenote-number) {
  display: none; }

@media (max-width: 760px) {
  body {
    width: 84%;
    padding-left: 8%;
    padding-right: 8%; }

  hr,
  section > p,
  section > footer,
  section > table {
    width: 100%; }

  pre > code {
    width: 97%; }

  section > dl,
  section > ol,
  section > ul {
    width: 90%; }

  figure {
    max-width: 90%; }

  figcaption,
  figure.fullwidth figcaption {
    margin-right: 0%;
    max-width: none; }

  blockquote {
    margin-left: 1.5em;
    margin-right: 0em; }

  blockquote p,
  blockquote footer {
    width: 100%; }

  label.margin-toggle:not(.sidenote-number) {
    display: inline; }

  .sidenote,
  .marginnote {
    display: none; }

  .margin-toggle:checked + .sidenote,
  .margin-toggle:checked + .marginnote {
    display: block;
    float: left;
    left: 1rem;
    clear: both;
    width: 95%;
    margin: 1rem 2.5%;
    vertical-align: baseline;
    position: relative; }

  label {
    cursor: pointer; }

  div.table-wrapper,
  table {
    width: 85%; }

  img {
    width: 100%; }

  nav {
    width: 87.5%;
    float: none;
    left: 0;
    top: 0; }

  div.overall-site-nav {
    width: 100%;
    position: relative; }

  .column-r,
  .column-l {
    float: none; } }