/* Measure and spacing. Fonts, colors, and backgrounds stay at user-agent defaults. */

body {
  max-width: 70ch;
  margin: 0 auto;
  padding: 1rem;
  line-height: 1.5;
  text-wrap: pretty;
}

h1 {
  margin: 0 0 0.8em;
}

h2 {
  margin: 2.25em 0 0.6em;
}

p {
  margin: 0.8em 0;
}

math[display="block"] {
  margin: 1.5em 0;
}

nav {
  margin: 2em 0 0;
}

table {
  margin: 0.4em 0;
  border-collapse: collapse;
}

th, td {
  padding: 0.35em 1.35em 0.35em 0;
  text-align: left;
  vertical-align: top;
}