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

body {
  font-family: Arial, sans-serif;
  background-color: #f4f4f4;
}

.gallery-container {
  display: flex;
  justify-content: center;
  padding: 20px;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 15px;
  width: 100%;
}

.image-box {
  position: relative;
}

.gallery-img {
  width: 100%;
  height: auto;
  cursor: pointer;
  border-radius: 8px;
  transition: transform 0.3s ease;
}

.gallery-img:hover {
  transform: scale(1.05);
}

.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  justify-content: center;
  align-items: center;
}

.modal-img {
  max-width: 90%;
  max-height: 80%;
}

.close-btn {
  position: absolute;
  top: 20px;
  right: 30px;
  color: white;
  font-size: 40px;
  cursor: pointer;
}