Embed

<div id="cosmic-background">
  <div class="stars"></div>
  <div class="nebula"></div>
</div>

<div id="welcome-popup">
  <h1>Welcome Dear Visitor</h1>
  <p>to the Energy Space</p>
</div>

<style>
/* Fullscreen Cosmic Background */
#cosmic-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: -1;
  background: radial-gradient(circle, #020202, #0a0f27, #000000);
}

/* Moving Stars */
.stars {
  position: absolute;
  width: 200%;
  height: 200%;
  background: transparent url('https://i.imgur.com/Nkki8bR.png') repeat;
  animation: moveStars 50s linear infinite;
}

@keyframes moveStars {
  0% {
    transform: translate(0, 0);
  }
  100% {
    transform: translate(-50%, -50%);
  }
}

/* Glowing Nebula */
.nebula {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 300px;
  height: 300px;
  background: conic-gradient(from 0deg, rgba(0, 255, 255, 0.5), transparent, rgba(255, 255, 0, 0.7));
  border-radius: 50%;
  filter: blur(50px);
  transform: translate(-50%, -50%);
  animation: pulsate 8s infinite ease-in-out;
}

@keyframes pulsate {
  0%, 100% {
    transform: translate(-50%, -50%) scale(1);
  }
  50% {
    transform: translate(-50%, -50%) scale(1.3);
  }
}

/* Welcome Pop-up Styling */
#welcome-popup {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: #00ffcc;
  font-family: 'Orbitron', sans-serif;
  text-shadow: 0 0 10px #00ffcc, 0 0 20px #00ffff;
  animation: fadeOut 8s ease-in-out forwards;
}

#welcome-popup h1 {
  font-size: 3rem;
}

#welcome-popup p {
  font-size: 1.5rem;
  margin-top: 10px;
}

/* Fade-out effect for Welcome Pop-up */
@keyframes fadeOut {
  0%, 50% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.9);
  }
}
</style>

Keshav Chopra