body {
  max-width: 960px;
  margin: 0 auto;
  font-size: 1.2em;
  color: #0f172a;
}

body > header > h1 > a {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  -webkit-font-smoothing: antialiased;
  text-decoration: none;
  color: black;
}

body > header {
  margin-bottom: 2em;
}

ul.buttons {
  list-style-type: none;
}
ul.buttons > li {
  display: inline-block;
  margin-right: 0.5em;
}
ul.buttons > li > a {
  display: inline-block;
  background-color: #d4d4d8;
  color: #18181b;
  padding: 0.2em 0.3em;
  text-decoration: none;
  border: 1px solid #52525b;
}