* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-kerning: auto;
}

body {
  font: 16px / 1.44 Lucida Grande, system-ui, "Segoe UI", sans-serif;
  position: relative;
  max-width: 45em; /* column width */
  margin: 0 auto;
}

pre {
  background: rgba(255,255,255,0.1);
  border: 1px solid;
}

/* Show & hide sections */

section, section:target ~ section:last-of-type {
  height: 0;
  overflow: hidden;
  padding: 0;
}

section:target, section:last-of-type {
  height: auto;
  overflow: visible;
  padding: calc(5vw + 2.6em) 4vw 1.6em;
}
  
section:focus {
  outline: 0;
}

/* Webkit fix for overflowing text? */

section {
  overflow-wrap: break-word;
  width: 100%;
}

section .posted-on {
  display: block;
  font-size: 80%;
  margin-bottom: -0.8em;
  padding-top: 1em;
}

/* Vertical spacing */

section * + * {
  margin-top: .7em;
}

/* Header */

header {
  padding: 5vw 4vw 0 4vw;
  position: absolute;
  width: 100%;
  z-index: 1;
}

/* Footer */

footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  padding: 1em 4vw 5vw 4vw;
}

footer .footer-links {
  display: block;
  width: 100%;
}

footer .footer-links a {
  display: inline-block;
}

footer .footer-links span.divider {
  display: inline-block;
  margin: 0 5px;
}
footer .footer-links span.divider:last-of-type {
  display: none;
}

/* Stop the homepage content from appearing as a footer link */
footer .footer-links a.home-content, footer .footer-links a.home-content + span.divider {
  display: none;
}

footer * + * {
  margin-top: 0;
}

/* Table of contents */

ul.toc {
  overflow: hidden;
}

ul.toc * + * {
  margin: 0;
}

ul.toc li {
  line-height:1.5;
  position: relative;
  display: flex;
  align-items: flex-end;
  margin: 0;
}

ul.toc li a {
  flex: 1;
}

ul.toc li a span {
  padding-right: .3em;
}

ul.toc li time {
  font-variant-numeric: tabular-nums;
  padding-left:.3em;
  z-index: 1;
}

ul.toc li:after {
  width: 100%;
  font-size: .55em;
  position: absolute;
  bottom: .3em;
  white-space: nowrap;
  opacity: 0.3;
  pointer-events: none;
  content:
  ' . . . . . . . . . . . . . . . . . . . . . .'
  ' . . . . . . . . . . . . . . . . . . . . . .'
  ' . . . . . . . . . . . . . . . . . . . . . .'
  ' . . . . . . . . . . . . . . . . . . . . . .'
  ' . . . . . . . . . . . . . . . . . . . . . .'
  ' . . . . . . . . . . . . . . . . . . . . . .';
}

/* General */

a {
  text-decoration: none;
  overflow-wrap: break-word;
}

@media (hover: hover) and (pointer: fine) {
  a:hover {text-decoration: underline;}
}

a[href*="//"]:after {
  font-size: .65em;
  content: "\2197";
  display: inline-block;
}

a[href*="//"]:hover:after {
  color: inherit;
}

/* Headings */

header h1 {
  margin-bottom: 1em;
}
header h1 a {
  font-weight: normal;
  display: block;
}

section h1 {
  font-size: 1.4em;
  line-height:1.5;
  padding-top: 0;
}

header h1, h2, h3, h4, strong, b, dt {
  font-size: 1em;
}

* + h2, * + h3, * + h4 {
  margin-top: 1.4em;
}

h2.cute, h3 {
  text-transform: uppercase;
  letter-spacing: .06em;
  font-size: .9em;
  font-weight: 400;
}

/* Lists */

li, dd {
  margin-left: 1.5em;
}

li + li, li ol, li ul {
  margin-top: .1em;
}

.footnotes li {
  margin-top:.5em;
  max-width:95%;
}

/* Images */

img {
  display: block;
  max-width: 100%;
  min-height:6em;
  height: auto;
  position: relative;
}

img:after { /* style offline images */
  align-content:center;
  border:1px dashed;
  content: attr(alt);
  display: grid;
  font-size: .8em;
  height: 100%;
  left: 0;
  position: absolute;
  text-align:center;
  top: 0;
  width: 100%;
  z-index: 2;
}

figure {
  padding: 1em;
}

figcaption, small, .footnotes {
  font-size: .865em;
}

/* Other elements */

blockquote {
  padding: 0 1em;
}

cite {
  font-style: normal;
}

abbr[title] {
  text-decoration: none;
  cursor: help;
}

a abbr[title] {
  cursor: pointer;
  color: inherit;
}

hr {
  border: 0;
  height: 0;
  border-bottom: 1px solid;
  opacity: .1;
  margin: 1.4em 0;
}

sup {
  line-height: 1;
  font-size: .75em;
  margin-left: .05em;
}

code, kbd {
  font-family: ui-monospace, SF Mono, SFMono-Regular, Menlo, Andale Mono, monospace;
  font-size: .9em;
  overflow-wrap: break-word;
}

kbd {
  box-shadow:0 .5px 1px;
  border-radius:2px;
  padding:.05em .325em;
  font-size:.85em;
  margin: 0 .1em;
}

pre {
  line-height: 1.55;
  overflow: auto;
  background: rgba(0,0,0,.03);
  padding: .5em .85em .6em .85em;
  border-radius: 4px;
}

pre code {
  font-size:.9em;
  position: relative;
  display:block;
  overflow-wrap: normal;
}

pre code:after {
  content: attr(class);
  position: absolute;
  right: -.6em;
  top: -.3em;
  text-transform: uppercase;
  font-size: .7em;
  opacity:.45;
}

input, select, textarea, button {
  font: inherit;
  font-size: .85em;
  line-height: inherit;
  border: 0;
  box-shadow: 0 0 .05em;
  padding: .2em .4em;
  width: 100%;
}

/* Tables */

table {
  border-collapse: collapse;
  min-width: 100%;
  margin: 1em 0;
}

thead {
  text-align: left;
  border-bottom: 1px solid;
}

tr + tr {
  border-top: 1px solid;
}

th, td {
  padding: .4em .3em .2em;
}

/* Disable footnotes #links */

sup a {
  color: currentColor;
  pointer-events: none;
}

a.footnote-backref {
  display: none;
}

/* Print */

@media print {
  
  header {
    position: relative;
  }
  
  section {
    height: auto;
    overflow: visible;
    
    page-break-after: always;
    page-break-inside: avoid;
    break-inside: avoid;
    display: block;
    padding: 2em 4vw;
  }

  section * {
    page-break-inside: avoid;
    break-inside: avoid;
  }
  
}

@media only screen and (max-width: 500px) {
  footer .footer-links a { display: block; margin: 0.2em 0; }
  footer .footer-links span.divider { display: none; }
  blockquote, figure { padding-left: 4vw; padding-right: 4vw; }
  ul.toc li {
    align-items: flex-start;
    flex-direction: column-reverse;
  }
  ul.toc li a { padding-bottom:1em; }
  ul.toc li time { font-size: .8em; padding-left: 0; }
  ul.toc li a:after {
    height: 0;
    overflow: hidden;
    position: absolute;
  }
}

@supports (color-scheme: dark light) {
  @media screen and (prefers-color-scheme: dark) {
    a:link {color: #9e9eff;}
    a:visited {color: #d0adf0;}
    a:active {color: red;}
  }
}