/*.trix-content .attachment--preview {
  width: 180px;
  float: right;
  clear:right;
}

.trix-content .attachment-gallery {
  display: block !important;
  float: right;
  width: 180px;
  clear:right;
}

.trix-content .attachment-gallery .attachment--preview {
  width: 100%;
  float: none; 
  clear:none;
}
.trix-content .attachment-gallery .attachment {
  max-width: 100%;
  padding: 0 0;
}*/