.main {
  width: 45%;
  min-width: 330px;
}

nav ul {
  text-align: center;
}

nav li {
  background-color: #32557f;
  color: #fff;
  list-style-type: none;
  padding: 15px 0;
  border-top: 1px solid #fff;
  border-bottom: 1px solid #fff;
  border-left: 1px solid #fff;
}

nav li:last-child {
  border-right: 1px solid #fff;
}

nav {
  width: 100%;
}

nav ul {
  display: flex;
  flex-direction: row;
  margin: 0;
  padding: 0;
}

nav ul li {
  flex-grow: 1;
}

nav ul li a {
  display: block;
}

/* Less important styles: */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Lato";
  color: #4a4a4a;
}

.main {
  width: 45%;
  min-width: 330px;
  margin: 40px auto;
  padding: 20px;
  background: silver;
  border-radius: 6px;
}