body, html {
  margin: 0;
  padding: 0;
  height: 100%;
  cursor: none;
  background: black;
  overflow: hidden;
  font-family: 'Segoe UI', sans-serif;
}

#stars {
  width: 100%;
  height: 100%;
  background: black url('https://raw.githubusercontent.com/VincentGarreau/particles.js/master/demo/media/bg-stars.png') repeat;
  background-size: cover;
  position: fixed;
  z-index: 1;
  animation: moveStars 60s linear infinite;
}

@keyframes moveStars {
  0% { background-position: 0 0; }
  100% { background-position: -10000px 5000px; }
}

.center-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 3rem;
  color: white;
  z-index: 2;
  cursor: pointer;
  text-shadow: 0 0 20px #fff;
  transition: transform 0.2s ease;
}

.center-text:hover {
  transform: translate(-50%, -50%) scale(1.1);
}