html {
  width: 100%;
  height: 100%;
  margin: 0;
}

body {
  width: 100%;
  height: 100%;
  margin: 0px;
  padding: 0px;
  background-color: #222222;
  color: white;
}

article {
  width: 100%;
  height: 100%;
}

#loading {
  padding-top: 200px;
  font-style: italic;
  text-align: center;
}

#finished {
  padding-top: 200px;
  font-style: italic;
  text-align: center;
  display: none;
}

canvas {
  margin-left: auto;
  margin-right: auto;
  display: none;
}

.loader-holder {
  position: relative;
  width: 128px;
  height: 128px;
  display: inline-block;
}

@keyframes loader {

  0%,
  100% {
    transform: none;
  }

  25% {
    transform: translateX(100%);
  }

  50% {
    transform: translateX(100%) translateY(100%);
  }

  75% {
    transform: translateY(100%);
  }
}

.loader {
  display: block;
  position: relative;
  place-items: center;
  width: 64px;
  height: 64px;
  background-color: white;
  box-sizing: border-box;
  position: absolute;
  animation: loader 2.4s cubic-bezier(0, 0, 0.24, 1.21) infinite;
}