:root {
  --bg: #fafafa;
  --fg: #0d0d0d;
  --divider: #bbb;
  --accent1: #2266ff;
  --accent2: #1155ee;
  --accent3: #0044dd;
  --accent4: #0033cc;
  --gray: #555;
}

* {
  font-family: monospace;
  color: var(--fg);
}

p, h1, h2, h3, h4, ol, ul {
  line-height: 1.5em;
}

html, body {
  height: 100%;
  width: 100%;
  margin: 0;
  padding: 0;
  background: var(--bg);
}

main {
  transform: translateX(calc(50vw - 50%));
  padding: 1ch 1ch 0 1ch;
  width: 78ch;
  display: inline-block;
}

a {
  text-decoration: underline var(--accent1);
  text-underline-position: under;
}

a[id] {
  text-decoration: none !important;
}

a[id^="footnote"] {
  text-decoration: underline var(--accent1) !important;
}

a:focus {
  color: var(--accent1);
  font-weight: bold;
}

p, span {
  margin: 0;
}

h1, h2, h3, h4 {
  font-size: 1rem;
  font-weight: bold;
  font-style: italic;
  padding: 0;
  margin: 0;
}

h1 { color: var(--accent1); }
h2 { color: var(--accent2); }
h3 { color: var(--accent3); }
h4 { color: var(--accent4); }

h1::before { content: "# "; }
h2::before { content: "## "; }
h3::before { content: "### "; }
h4::before { content: "#### "; }

ol, ul {
  padding: 0;
  margin: 0;
  list-style: none;
}

ul {
  margin-left: 2ch;
}

ol > li::marker {
  content: attr(i);
  color: var(--gray);
}

ul > li::marker {
  content: "* ";
  color: var(--gray);
}

table {
  border-collapse: collapse;
  margin-left: 0.5ch;
}

tr {
  height: 1ch;
}

td, th {
  border: 0.25ch solid var(--gray);
  padding: 0.375ch;
}

code {
  padding: 0 !important;
  background: #eee !important;
}

pre {
  padding: 1ch;
  overflow-x: auto;
  background: #eee !important;
}

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

blockquote {
  border-left: 0.5ch solid var(--accent1);
  padding: 1ch 1ch 1ch 1.5ch;
  margin: 0;
  font-style: italic;
}

.gray {
  color: var(--gray);
}

input[type="checkbox"] {
  pointer-events: none;
  width: 2ch;
  margin: 0 1ch 0 0;
}

.tag:before { content: "["; }
.tag:after { content: "]"; }

hr {
  border: 1px solid var(--divider);
}

@media screen and (max-width: 700px) {
  * {
    /* magic number, don't ask what it means */
    font-size: 2vw;
  }

  body {
    overflow-x: hidden;
  }

  main {
    padding: 1em 1em 0 1em;
    width: calc(100% - 2em);
  }
}