:root {
  font-family: system-ui, sans-serif;
  line-height: 1.55;
  color: #1f2328;
}

body {
  margin: 0;
}

main {
  max-width: 90rem;
  margin: auto;
  padding: clamp(1rem, 4vw, 3rem);
  overflow-x: auto;
}

h1,
h2 {
  line-height: 1.2;
}

h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
}

p,
li,
header {
  max-width: 72ch;
}

a {
  color: #0969da;
  overflow-wrap: anywhere;
  text-underline-offset: 0.15em;
}

a:hover {
  text-decoration-thickness: 2px;
}

nav,
header,
article {
  margin-block: 0 2rem;
}

header {
  padding-bottom: 1rem;
  border-bottom: 1px solid #d0d7de;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

caption,
th,
td {
  padding: 0.6rem 0.75rem;
  text-align: left;
  vertical-align: top;
  overflow-wrap: anywhere;
}

caption {
  font-weight: 700;
  background: #f6f8fa;
}

th,
td {
  border-bottom: 1px solid #d8dee4;
}

thead th {
  text-align: center;
  white-space: nowrap;
  border-bottom-width: 2px;
}

thead + tbody td {
  text-align: center;
  white-space: nowrap;
}

tbody th {
  font-weight: 600;
}

tbody tr:nth-child(even) {
  background: #f6f8fa;
}

article footer {
  margin-top: 0.4rem;
  color: #59636e;
  font-size: 0.875rem;
}

code {
  padding: 0.1em 0.3em;
  background: #f6f8fa;
  border-radius: 0.2rem;
}

@media print {
  main {
    max-width: none;
    padding: 0;
    overflow: visible;
  }
}