html {
  font-size: 18px;
}

p {
  font-size: 1rem;
}

body {
  background-color:#171a17;
  color: #fff;
}

.container {
  margin: 0 auto;
  width: 50%;
}

a {
  color: #fff;
}

nav, footer {
  background-color: #333;
  color: #fff;
  text-align: center;
}

nav {
  display: flex;
  flex-direction: column;
}

nav > a {
  flex: 1;
  text-align: center;
  text-decoration: none;
  color: #fff;
}

@media only screen and (min-width: 768px) {
	nav { flex-direction: row; }
}