hr { 
  width: 80%;
}

footer {
    background-color: #333;
    color: white;
    position: fixed;
    text-align: center;
    width: 100%;
    padding: 10px;
    bottom: 0;
}

iframe {
  background-image: url(/static/hourglass.png);
  background-color: #efefef;
  background-repeat: no-repeat;
  background-position: center;
  background-size: 20px;
}