body {
  margin: 1em;
  font-family: sans-serif;
}
footer {
  position: fixed;
  bottom:0;
  left:0;
  width: 100%;
  text-align: bottom;
}
footer p {
  text-align: center;
  font-size: .8rem;
  color: #aaa;
}
.poster {
  display: flex;
  justify-content: center;
  align-items: center;
}
.nav {
  word-spacing: .5em;
}