body,
html {
  overflow: hidden;
  background-color: #fff;
  margin: 0;
  font-family: Century Gothic, CenturyGothic, AppleGothic, sans-serif;
}
.f {
  position: fixed;
  bottom: 5px;
  right: 40px;
  font-family: 'Arial';
  font-size: 0.7rem;
  color: #a7aeb8;
  text-align: center;
  font-size: 25px;
}
.f a {
  font-size: 0.8rem;
  color: #fbfaf6;
  font-size: 25px;
}
canvas {
  opacity: 0;
}
._visible {
  transition: opacity 0.2s;
  opacity: 1;
}