.placeholder {background-color: #CCFF99; outline:1px dashed green;}
.ui-nestedSortable-error {background:#fbe3e4; outline:1px dashed red;}
ol {padding-left: 30px;}
ol.sortable, ol.sortable ol { padding: 0;margin:0;list-style-type: none;}
ol.sortable ol {margin: 0 0 0 25px;}
.sortable li {}
.sortable li div  {
  background:url("admin/folder.png") no-repeat 0 2px; padding-left:25px; cursor: move; position:relative;
  &:hover {background-color:#ffc;}
  a {line-height:20px;}
  p {
    position:absolute; right:0; margin:0; line-height:20px; z-index:1; top:0;
    a, img {display:inline-block; vertical-align:middle; line-height:20px;}
    a {text-decoration:none; color:#999;}
    a.not-show {opacity:0.4;}
  }
}