.dd{position:relative;display:block;margin:0;padding:0;max-width:600px;list-style:none;font-size:13px;line-height:20px;}
.dd-list{display:block;position:relative;margin:0;padding:0;list-style:none;}
.dd-list .dd-list{padding-left:30px;}
.dd-collapsed .dd-list{display:none;}
.dd-item,
.dd-empty,
.dd-placeholder{display:block;position:relative;margin:0;padding:0;min-height:20px;font-size:13px;line-height:20px;}
.dd-handle{display:block;margin:5px 0;padding:10px 10px;text-decoration:none;border:1px solid #ebebeb;background:#fff;-webkit-border-radius:3px;border-radius:3px;}
.dd-handle:hover{background:#fff;}
.dd-item > button{display:block;position:relative;cursor:pointer;float:left;width:25px;height:30px;margin:5px 0;padding:0;text-indent:100%;white-space:nowrap;overflow:hidden;border:0;background:transparent;font-size:12px;line-height:1;text-align:center;font-weight:bold;}
.dd-item > button:before{content:'+';display:block;position:absolute;width:100%;text-align:center;text-indent:0;}
.dd-item > button[data-action="collapse"]:before{content:'-';}
.dd-placeholder,
.dd-empty{margin:5px 0;padding:0;min-height:30px;background:#f2fbff;border:1px dashed #b6bcbf;box-sizing:border-box;-moz-box-sizing:border-box;}
.dd-empty{border:1px dashed #bbb;min-height:100px;background-color:#e5e5e5;background-size:60px 60px;background-position:0 0, 30px 30px;}
.dd-dragel{position:absolute;pointer-events:none;z-index:9999;}
.dd-dragel > .dd-item .dd-handle{margin-top:0;}
.dd-dragel .dd-handle{-webkit-box-shadow:2px 4px 6px 0 rgba(0,0,0,.1);box-shadow:2px 4px 6px 0 rgba(0,0,0,.1);}
.nestable-lists{display:block;clear:both;padding:30px 0;width:100%;border:0;border-top:2px solid #ddd;border-bottom:2px solid #ddd;}
@media only screen and (min-width:700px){.dd + .dd{margin-left:2%;}
}
.dd-hover > .dd-handle{background:#2ea8e5 !important;}
.dd3-content{display:block;margin:5px 0;padding:10px 10px 10px 50px;text-decoration:none;border:1px solid #ebebeb;background:#fff;-webkit-border-radius:3px;border-radius:3px;}
.dd-dragel > .dd3-item > .dd3-content{margin:0;}
.dd3-item > button{margin-left:40px;}
.dd3-handle{position:absolute;margin:0;left:0;top:0;cursor:pointer;width:40px;text-indent:100%;white-space:nowrap;overflow:hidden;border:1px solid #ebebeb;background:#fff;border-top-right-radius:0;border-bottom-right-radius:0;}
.dd3-handle:before{content:'≡';display:block;position:absolute;left:0;top:10px;width:100%;text-align:center;text-indent:0;color:#ccc;font-size:20px;font-weight:normal;}
.dd3-handle:hover{background:#f7f7f7;}