:root {
  --brand: #0d6efd;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

main {
  display: block;
}

.card {
  border: 1px solid rgba(0,0,0,.075);
  transition: transform .15s ease, box-shadow .15s ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 .5rem 1rem rgba(0,0,0,.08) !important;
}

pre code {
  font-size: .95rem;
  line-height: 1.45;
}

footer a {
  color: inherit;
}