.lazy-hidden,.entry img.lazy-hidden, img.thumbnail.lazy-hidden {
	background-color: #ffffff;
	background-image: url('loading.gif');
	background-repeat: no-repeat;
	background-position: 50% 50%;
}
figure.wp-block-image img.lazy-hidden {
	min-width: 150px;
}
.img-container {
	width:100%;
	position: relative;
}
.img-container > img {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
}