body {
  /* font-family: System UI; */
  font-size: 1rem;
  line-height: 1.3;
  text-align: center;
  background-color: #ede4cd;
}

h2 {
  font-size: 1.2rem;
}

h3 {
  font-size: 1rem;
}
article {
  max-width: 720px;
  text-align: justify;
  display: inline-block;
  padding: 1.5rem 0.75rem;
}

.main-nav {
  position: sticky;
  top: 0;
}

.main-nav li.active {
  background-color: #ede4cd;
}

.main-nav li.active::before {
  border-color: transparent;
}