gallery3/modules/organize/css/organize.css

/* @todo move to theme css */
#gOrganizeTreeContainer,
#gMicroThumbContainer {
  overflow-y: auto;
  margin: 0 !important;
  padding: 0 !important;
}

#gMicroThumbContainer {
  background-color: #cfdeff;
  border: 1px solid #999 !important;
  border-top: none !important;
  border-left: none !important;
  margin-left: -1em !important;
}

#gMicroThumbContainer #gMicroThumbGrid {
  margin: 0;
}

#gMicroThumbContainer #gMicroThumbGrid .gMicroThumb {
  background-color: #fff;
  border: 2px solid #e8e8e8;
  border-right-color: #ccc;
  border-bottom-color: #ccc;
  float: left;
  font-size: .7em;
  height: 9em;
  margin-left: .5em;
  margin-top: .5em;
  opacity: .4;
  overflow: hidden;
  padding: .5em;
  text-align: center;
  width: 9em;
}

#gOrganizeAlbumDescription {
  height: 2em;
  overflow-y: auto;
}

#gMicroThumbContainer #gMicroThumbGrid .gAlbum {
  background-color: #e8e8e8;
}

#gMicroThumbContainer #gMicroThumbGrid :hover {
  opacity: 1;
}

#gMicroThumbContainer #gMicroThumbGrid .gThumbSelected {
  border: 0.2em solid #09f;
  opacity: 1;
}

.gBranchSelected {
  background-color: #cfdeff !important;
  border-bottom: 1px solid #999 !important;
  display: block;
  padding: .3em 0;
}

.gBranchText {
  cursor: pointer;
}

.gBranchCollapsed {
  display: none;
}

.gBranchEmpty {
  visibility: hidden;
}

#gOrganizeTreeContainer ul ul li {
  padding-left: 1.2em;
}

#gOrganizeFormButtons {
  bottom: 0.5em;
  position: absolute;
}

#gOrganizeFormButtons .submit {
  display: inline;
  float: none;
  left: 0.5em;
  position: relative;
}

#gOrganizeFormThumbs {
  padding: .5em;
  height: 7em; 
  overflow: hidden;
}

#gOrganizeFormThumbs div {
  margin: 0;
  text-align: center;
}

#gMicroThumbUnselectAll,
#gMicroThumbSelectAll {
  font-size: 1.2em;
  font-weight: bold;
}

.gOrganizeReorderDropTarget {
  visibility: hidden;
  background-color: #5C9CCC;
  float: none;
  width: .5em;
  height: 9em;
}

.gOrganizeReorderDropTargetHover {
  visibility: visible;
}