@-moz-keyframes spin {
  100% {
    -moz-transform: rotate(360deg);
  }
}

@-webkit-keyframes spin {
  100% {
    -webkit-transform: rotate(360deg);
  }
}

@keyframes spin {
  100% {
    -webkit-transform: rotate(360deg);
    transform: rotate(360deg);
  }
}

body {
  color: black;
  background-color: white;
  font-family: sans-serif;
  overflow: hidden;
}

.credits {
  padding: 4px;
  font-size: 0.8rem;
  position: absolute;
  bottom: 0px;
  left: 0px;
  width: 100%;
  background-color: rgba(0, 0, 0, 0.25);
  color: white;
}

.credits > a {
  color: white;
  text-decoration: none;
}

canvas {
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -khtml-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  outline: none;
  -webkit-tap-highlight-color: rgba(255, 255, 255, 0); /* mobile webkit */
}

#heading {
  position: absolute;
  top: 16px;
  left: 16px;
  margin-top: 0px;
}

#canvas-container {
  position: absolute;
  top: 0px;
  left: 0px;
  width: 100%;
  height: 100%;
}

#loader {
  background-color: white;
  position: absolute;
  top: 0px;
  left: 0px;
  width: 100%;
  height: 100%;
}

#loader > .label {
  position: absolute;
  top: 50%;
  left: 50%;
  text-align: center;
  width: 256px;
  height: 48px;
  margin-top: -24px;
  margin-left: -128px;
  color: #ddd;
}

#loader > .label > .spinner {
  display: block;
  margin: auto;
  width: 48px;
  height: 48px;
  -webkit-animation: spin 0.25s linear infinite;
  -moz-animation: spin 0.25s linear infinite;
  animation: spin 0.25s linear infinite;
}