body {
  margin: 0;
  overflow: hidden;
  min-height: 100vh;
  background: #000;
}

#root {
  width: 100vw;
  height: 100vh;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  place-items: center;
}

@media (max-width: 640px) {
  #root > div {
    width: 100%;
  }
  #root .group {
    padding: 1.25vw;
  }
  #root .dot-point {
    width: 2.5vw;
    height: 2.5vw;
  }
}