grid_nav_css

body {
  margin: 0;
  position: relative;
}


nav {
  position: sticky;
  background-color: #333;
  color: #fff;
  top: 0;
  z-index: 1;
}

ul{
  display: grid;
  grid-template-columns: 5% 5% 5% 45%;
}

nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  justify-content: center;
}

nav li {
  text-align: center;
}

nav li:last-child {
  grid-column: 4;
  justify-self: flex-end;
}

nav a {
  color: #fff;
  text-decoration: none;
  padding: 1em;
  display: block;
}

nav a:hover {
  background-color: #444;
}

section {
  width: 300px;
  margin: 50px;
}