gallery3/modules/organize/css/organize.css

.g-organize {
  font-family: 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
}

.g-organize div.thumb {
  padding: 8px;
  margin: 8px;
}

.g-organize div.selected {
  background: #C9D8EB;
}

.g-organize div.thumb img {
  border: 4px solid white;
}

.g-organize div.thumb:hover {
  border: 2px solid #eee;
  margin: 6px;
  cursor: pointer;
}

.g-organize div.thumb {
  display: inline-block;
}

.g-organize div.thumb div.icon {
  position: relative;
  padding: 0px;
  margin: 0px;
  visibility: hidden;
  width: 16px;
  height: 16px;
  top: -16px;
  margin-bottom: -16px;
  padding-bottom: -16px;
}

.g-organize div.thumb-album div.icon {
  visibility: visible;
}

.g-organize div.drop-target {
  background: #eee;
}

.g-organize div.active {
  border-left: 4px solid #C9D8EB;
  margin-left: 4px;
}

div.multi-proxy div {
  display: inline-block;
}

.g-organize .x-tree-node-el {
  font-size: 12px;
  line-height: 20px;
}

.loading div {
  font-size: 1.1em;
  padding-left: 24px;
  background-color: white;
  background-image: url(../vendor/ext/images/default/tree/loading.gif);
  background-position: 4px 8px;
  background-repeat: no-repeat;
}