body {
  font-family: sans-serif;
  margin: 0;
  padding: 0;
  background: #111;
  color: #fff;
}
header {
  background: #222;
  padding: 1em;
  text-align: center;
}
.lista {
  padding: 1em;
}
a {
  color: #4ef0f0;
  text-decoration: none;
  display: block;
  margin: 0.5em 0;
}