* {
  padding: 0;
  margin: 0;
}

nav {
  display: flex;
  justify-content:space-between; 
  align-items: center;
  padding: 1rem 2rem;
  background: #cfd8dc; 
}

nav ul {
  display: flex;
  list-style: none; 
}

nav li {
  padding-left: 1rem; 
}

nav a {
  text-decoration: none;
  color: #0d47a1
}

 /* 
  Extra small devices (phones, 600px and down) 
*/
@media only screen and (max-width: 600px) {
  nav {
    flex-direction: column;
  }
  nav ul {
    flex-direction: column;
    padding-top: 0.5rem;
  }
  nav li {
    padding: 0.5rem 0;
  }
}