* {
  padding: 0;
  margin: 0;
  text-align: center;
}
body {
  overflow: hidden;
}

#canvas {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  margin: auto;
  opacity: 0.2;
}

.cntcts {
  position: absolute;
  top: 0;
  bottom: 0;
  right: 0;
  left: 0;
  margin: auto;
}