body {
  height:100%;
  background:#f2f2f2;
  color:#1B1C1D;
  text-align: center;
  font-family: "Microsoft Yahei";
}

h1 {
  margin-top: 5em;
  margin-bottom: 0em;
  font-size: 4em;
  font-weight: normal;
}

.footer {
  position:absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1rem;
}

.footer a {
  color: #1B1C1D;
  text-decoration: none;
}