html, body {
  height: 100%;
  overflow: hidden;
}

body {
  background: #000;
  background: url(https://s3-us-west-2.amazonaws.com/s.cdpn.io/15664/noise.png), radial-gradient(circle, #0d1217, #05080a);
  color: #fff;
  font-family: "Century Gothic", CenturyGothic, AppleGothic, sans-serif;
}

#draw {
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
}

label, input {
  vertical-align: middle;
}

label {
  position: relative;
  display: inline-block;
  margin: 5px;
  padding: 5px 10px;
  user-select: none;
  z-index: 2;
  cursor: pointer;
}

#debug {
  position: absolute;
  bottom: 0;
  left: 0;
  color: #fff;
  font-family: Consolas, monaco, monospace;
  font-size: 1.5rem;
  white-space: pre;
}