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

nav ul li {
  float: left; }

nav ul li:before {
  content: none; }

nav ul li a {
  display: block;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none; }