nav {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  font: 700 1rem/1.2 "Cantarell";
}

nav * {
  display: flex;
  justify-content: center;
}

div.navbar {
  position: sticky;
  top: 0;
  background-color: white;
  padding: 10px 0;
}

nav a,
nav a:hover,
nav a:active {
  box-shadow: none;
}