ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
}


.container {
  display: flex; /* or inline-flex */
  flex-direction: row;
}

.nav-items {
  display: flex;
  flex-direction: row;
}

.nav-item {
  padding: 0rem 2rem;
}

.main {
  margin: 0 auto;
  max-width: 50em;
  padding: 4em 2em;
}

.content {
  padding: 2rem;
}