.ypg-wrapper {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 15px;
}
.ypg-item {
  cursor: pointer;
  background: #fff;
	border-radius: 10px;
	box-shadow: 0 0 5px #ccc;
  padding: 10px;
  border: 1px solid #ddd;
  transition: 0.3s;
}
.ypg-item:hover {
  background: #f0f0f0;
}
.ypg-item img {
  width: 100%;
  height: auto;
}
#ypg-lightbox {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,0.8);
  justify-content: center;
  align-items: center;
  display: none;
  z-index: 9999;
}
#ypg-lightbox .ypg-content {
  position: relative;
  width: 90%;
  max-width: 800px;
}
#ypg-lightbox iframe {
  width: 100%;
  height: 450px;
}
.ypg-close {
  position: absolute;
  top: -10px; right: -10px;
  background: #fff;
  color: #000;
  padding: 5px 10px;
  font-size: 24px;
  cursor: pointer;
  border-radius: 50%;
}