body {
  margin: 0;
  padding: 0;
  color: rgba(255, 255, 255, 0.87);
  background-color: #0f0f0f;
}

#app {
  width: 100%;
  height: 100vh;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  max-width: 100%;
  margin: auto;
}
@media (min-width: 1024px) {
  #app {
    height: 98vh;
    max-width: 95%;
  }
}