body{
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  background: #37474f;
}
h1{
  color: white;
}
#subtitle {
  height: 50px;
  font-size: 22px;
  text-align: center;
  vertical-align: center;
  color: white;
}
#container {
  border: 2px dotted white;
  border-radius: 15px;
}