* {
  box-sizing: border-box;
}
#loading {
  height: 80vh;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

#logo {
  width: 80%;
  max-width: 200px;
  height: auto;
  margin: 20px 0;
}