.opi-post-image-wrap,
.opi-post-image-link,
.opi-picture { display: block; }
.opi-post-image { display: block; max-width: 100%; height: auto; }

.opi-auto-picture { max-width: 100%; }
.opi-auto-picture > img { max-width: 100%; height: auto; }

.opi-background-picture{display:contents}