body,
html {
  font-family: sans-serif;
  background: #ffcc33;
  height: 100%;
  position: relative;
  overflow: hidden;
  margin: 0;
}

.demo {
  perspective: 400px;
  visibility: hidden;
  height: 100%;
}

.demo div {
  position: absolute;
  display: inline-block;
  left: 50%;
  top: 50%;
  font-weight: 800;
  font-size: 60px;
  color: #1c70a7;
  transform: translate(-50%, -50%);
  white-space: nowrap;
}

@media only screen and (max-width: 900px) {
  .demo div {
    font-size: 36px;
  }
}

.footer {
  position: fixed;
  bottom: 0;
  padding: 20px;
}