* {
  margin: 0;
  padding: 0;
}

#container {
  position: fixed;
  width: 100%;
  height: 100%;
  background-color: #f1f1f1;
}


 h1 {
    position: absolute;
    top: 16px;
    z-index: 1;
    left: 0;
    right: 0;
    text-align: center;
}