body {
  font-family: 'Orbitron', sans-serif;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 50px;
  background-color: #000;
  color: #fff;
  overflow: hidden;
}

#stars-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

h1 {
  text-shadow: 0 0 10px #fff, 0 0 20px #fff, 0 0 30px #00aaff, 0 0 40px #00aaff, 0 0 50px #00aaff, 0 0 60px #00aaff, 0 0 70px #00aaff;
}

#numbers-container {
  display: flex;
  margin-bottom: 20px;
}

.number {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(145deg, #7b1fa2, #4a148c);
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0 10px;
  font-size: 24px;
  font-weight: bold;
  color: #fff;
  text-shadow: 0 0 5px #fff, 0 0 10px #fff, 0 0 15px #00aaff;
  box-shadow: 0 0 10px #00aaff, 0 0 20px #00aaff, 0 0 30px #00aaff;
  animation: fadeIn 0.5s ease-in-out;
  transform-style: preserve-3d;
  transition: transform 0.5s;
}

.number.flip {
    transform: rotateY(360deg);
}


button {
  background: linear-gradient(145deg, #00aaff, #0077cc);
  border: none;
  border-radius: 50px;
  color: #fff;
  font-size: 20px;
  font-weight: bold;
  padding: 15px 30px;
  cursor: pointer;
  transition: all 0.3s ease-in-out;
  box-shadow: 0 0 10px #00aaff, 0 0 20px #00aaff;
  text-transform: uppercase;
}

button:hover {
  box-shadow: 0 0 20px #00aaff, 0 0 40px #00aaff, 0 0 60px #00aaff;
  transform: translateY(-3px);
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: scale(0.5);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes flip {
  from {
    transform: rotateY(0deg);
  }
  to {
    transform: rotateY(360deg);
  }
}

.star {
    position: absolute;
    background-color: #fff;
    border-radius: 50%;
    box-shadow: 0 0 5px #fff, 0 0 10px #fff, 0 0 15px #fff;
    animation: star-animation infinite alternate;
}

@keyframes star-animation {
    from {
        opacity: 0.5;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1.2);
    }
}