#gallery {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.thumbnail {
  width: 200px;
  height: 200px;
  overflow: hidden;
  cursor: pointer;
}

.thumbnail img {
  width: 100%;
  height: auto;
}

#modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  display: none;
  justify-content: center;
  align-items: center;
}

#modal img {
  max-width: 80%;
  max-height: 80%;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.8);
}

.caption {
  text-align: center;
  margin-top: 5px;
  margin-left: 20px;
  color: #ffffff;
  font-size: 22px;
}