body {
  margin: 0;
  overflow: hidden;
  font-size: 0;
}
canvas {
  background: black;
  width: 100vw;
  height: 100vh;
}
input {
  width: 250px;
  height: 40px;
  line-height: 40px;
  position: absolute;
  bottom: 35px;
  left: calc(50% - 125px);
  background: none;
  color: white;
  font-size: 30px;
  font-family: arial;
  text-align: center;
  /*border: 1px solid white;
			background: rgba(255,255,255,0.2);
			*/
  display: none;
}
p {
  position: fixed;
  left: 0;
  bottom: 5px;
  color: #fff;
  z-index: 10;
  font-size: 16px;
  font-family: Helvetica, Verdana, sans-serif;
  opacity: 0.5;
  width: 100%;
  text-align: center;
  margin: 0;
}
a {
  color: #fff;
  text-decoration: none;
}
a:visited {
  color: #fff;
}