Webleb - HTML UI Elements - rivelare l'effetto

HTML

CSS

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  background: linear-gradient(135deg, #305271, #99b5f0);
  font-family: 'Poppins', sans-serif;

.container {
  position: relative;
  width: 80%;
  max-width: 1000px;
  height: 600px;
  overflow: hidden;
  border-radius: 20px;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.container:hover {
  box-shadow: 0 12px 50px rgba(0, 0, 0, 0.6);
  transform: scale(1.02);
}

.image-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  transition: all 0.5s ease-in-out;
}

.image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: brightness(85%);
  transition: filter 0.3s ease-in-out;
}

.second-image {
  width: 50%;
  overflow: hidden;
  transition: width 0.5s ease-in-out;
}

#slider {
  position: absolute;
  top: 0;
  left: 50%;
  width: 12px;
  height: 100%;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.4), rgba(255, 255, 255, 0.1));
  backdrop-filter: blur(6px);
  cursor: ew-resize;
  transition: left 0.3s ease;
  z-index: 3;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.4);
}

#slider:before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  width: 100%;
  height: 100%;
  background-image: url('https://www.transparenttextures.com/patterns/stardust.png');
  background-size: 150px 150px;
  opacity: 0.2; 
  animation: moveStars 25s linear infinite;
  z-index: 1;
}

.image-wrapper img:hover {
  filter: brightness(100%);
}

@keyframes moveStars {
  from {
      background-position: 0 0;
  }
  to {
      background-position: 100% 100%;
  }
}}

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