* {
  box-sizing: border-box;
}
body {
  font-family: system-ui, sans-serif;
  line-height: 1.7;
  max-width: 48rem;
  margin: 0 auto;
  padding: 1rem;
  overflow-wrap: anywhere;
}
nav {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
p {
  white-space: pre-wrap;
}
a {
  color: #174e9c;
}
a:focus-visible,
main:focus {
  outline: 3px solid #174e9c;
}