html, body {
  margin: 0;
  display: table;
  position: absolute;
  width: 100%;
  height: 100%;
  background-color: #eee;
  font-family: arial;
  font-weight: normal;
  font-size: 11pt;
  text-align: center;
}

.container {
  display: table-cell;
  vertical-align: middle;
}

.container > img,
.container > canvas {
  margin: 0 auto 32px;
}

.footer {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 8px;
  color: #999;
  background-color: #ccc;
}

.footer > .contact {
  position: absolute;
  right: 8px;
}