body {
  margin: 40px auto;
  max-width: 65vw;
  line-height: 1.6;
  font-size: 18px;
  color: #444;
  padding: 0 10px
}

h1,h2,h3 {
  line-height: 1.2;
}

td:first-child {
  font-weight: bold;
  padding-right: 3em;
}