* {
  margin: 0;
  padding: 0;
  font-weight: normal;
}

body {
  background-color: #17150d;
  color: #8b949e;
  font-family: 'Space Mono', 'Courier New', monospace;
  font-size: 15px;
  line-height: 1.8;
  margin: 24px;
}

@import url('https://fonts.googleapis.com/css2?family=Space+Mono:ital,wght@0,400;0,700;1,400&display=swap');

div {
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

header {
  margin-top: 2em;
  margin-bottom: 0.3em;
}

header h1 {
  display: inline;
  font-size: 1.3em;
  font-weight: 700;
  color: #f0f6fc;
}

header h2 {
  display: inline;
  font-style: italic;
  margin-left: 1em;
  font-size: 0.9em;
  color: #484f58;
}

main {
  margin-top: 3em;
}

main h1 {
  font-size: 1.25em;
  color: #f0f6fc;
  font-weight: 700;
  margin-bottom: 1em;
}

main h2 {
  color: #f0f6fc;
  font-weight: 700;
  margin-top: 2.2em;
  margin-bottom: 0.6em;
  font-size: 1em;
}

main p {
  margin-top: 0.9em;
  max-width: 620px;
}

em {
  font-style: normal;
}

ul {
  list-style: none;
  margin-top: 0.6em;
}

ul li {
  margin-left: 1.2em;
  padding-bottom: 0.35em;
}

ul li::before {
  content: '— ';
  margin-left: -1.2em;
  color: #30363d;
}

a {
  text-decoration: none;
  color: inherit;
}

a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.c-white   { color: #f0f6fc !important; }
.c-green   { color: #3fb950 !important; }
.c-blue    { color: #58a6ff !important; }
.c-purple  { color: #bc8cff !important; }
.c-orange  { color: #d18616 !important; }
.c-red     { color: #f85149 !important; }
.c-teal    { color: #39d353 !important; }

.toast {
  display: none;
  position: fixed;
  bottom: 25px;
  left: 50%;
  transform: translateX(-50%);
  background: #161b22;
  color: #3fb950;
  border: 1px solid #3fb950;
  padding: 8px 18px;
  font-size: 0.85em;
  font-family: 'Space Mono', monospace;
}

.toast.show {
  display: block;
}