h2 {
  background: rgba(70, 150, 150, 0.6);
  font-size: 150%;
}

header {
  background: rgba(150, 50, 100, 0.5);
  font-size: 250%;
  text-align: center;
  font-family: times;
}

nav {
  font-size: 80%
}

footer {
  background: rgba(150, 150, 150, 0.5);
}