html,
body {
  height: 100%;
  margin: 0;
  /* Trivial style make the text large */
  font-size: 48px;
}
body {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
main {
  flex: 1;
}

footer {
  text-align: center;
  color: white;
  word-spacing: 5px;
  margin-top: 20px;
  margin-bottom: 20px;
}