body {
  margin: 0;
  height: 300vh; /* makes page scrollable */
  overflow-x: hidden;
}

/* Static background */
.background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url(https://file.garden/aYe1n3scQ03QvS5a/wallpaper) #143c24; 
  z-index: -1;
}

/* Gallery container */
.gallery {
  position: relative;
  width: 100%;
  height: 300vh;
}

/* Art container (image + text) */
.art {
  position: absolute;
  width: 200px;
  text-align: center;
  transition: transform 0.3s ease;
}

.art:hover {
  transform: scale(1.05);
}

/* Image inside art */
.art img {
  width: 100%;
  display: block;
}

/* Caption text */
.caption {
  margin-top: 6px;
  font-size: 10px;
  color: #f1f1f1; 
}

/* Scattered positions */
.one   { top: 200px;  left: 10%; }
.two   { top: 445px;  left: 40%; }
.three { top: 600px; left: 15%; }
.four  { top: 1800px; left: 60%; }

/* Lightbox overlay */
#lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 999;
}

/* Zoomed image */
#lightbox-img {
  max-width: 600px;
  max-height: 600px;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0);
  border-radius: 4px;
  cursor: pointer;
}

.back-button {
  position: fixed;
  top: 20px;
  left: 20px;
  padding: 8px 14px;
  background: rgba(0, 0, 0, 0.5);
  color: white;
  text-decoration: none;
  font-size: 14px;
  border-radius: 6px;
  z-index: 1000;
  transition: background 0.2s ease;
}

.back-button:hover {
  background: rgba(0, 0, 0, 0.8);
}

#lightbox-content {
  text-align: center;
  color: white;
}

#lightbox-caption {
  margin-top: 12px;
  font-size: 16px;
  opacity: 0.9;
}