ul.thumbnails.image_picker_selector {
  overflow: auto;
  list-style-image: none;
  list-style-position: outside;
  list-style-type: none;
  padding: 0px;
  margin: 0px; 
}
ul.thumbnails.image_picker_selector ul {
    overflow: auto;
    list-style-image: none;
    list-style-position: outside;
    list-style-type: none;
    padding: 0px;
    margin: 0px;
}
ul.thumbnails.image_picker_selector li.group {width:100%;} 
ul.thumbnails.image_picker_selector li.group_title {
	float: none;
}
ul.thumbnails.image_picker_selector li {
	margin: 0px 6px 6px 0px;
	float: left;
}
ul.thumbnails.image_picker_selector li .thumbnail {
  padding: 6px;
  border: 1px solid #dddddd;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  }
ul.thumbnails.image_picker_selector li .thumbnail img {
    -webkit-user-drag: none;
}
ul.thumbnails.image_picker_selector li .thumbnail.selected {
  background: #0088cc;
}