.dd {
  position: relative;
  display: block;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  line-height: 29px;
}
.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-item-root,
.dd-empty,
.dd-placeholder {
  display: block;
  position: relative;
  margin: 0;
  padding: 0;
  min-height: 20px;
  font-size: 13px;
  line-height: 20px;
}
.dd-handle-root,
.dd-handle {
  display: block;
  margin: 5px 0;
  padding: 4px 10px;
  color: #333;
  text-decoration: none;
  font-weight: bold;
  border: 1px solid #ccc;
  background: #fafafa;
  -webkit-border-radius: 3px;
  border-radius: 3px;
  box-sizing: border-box;
  -moz-box-sizing: border-box;
}
.dd-handle:hover {
  color: #2ea8e5;
  background: #fff;
  cursor: move;
}
.dd-item-root > .btn {
  display: none;
}
.dd-item-root > button,
.dd-item > button {
  display: block;
  position: relative;
  cursor: pointer;
  float: right;
  width: 25px;
  height: 20px;
  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-root > button:before,
.dd-item > button:before {
  content: '+';
  display: block;
  position: absolute;
  width: 100%;
  text-align: center;
  text-indent: 0;
  font-size: 20px;
  line-height: 9px;
}
.dd-item-root > button[data-action="collapse"]:before,
.dd-item > button[data-action="collapse"]:before {
  content: '-';
  font-size: 20px;
  line-height: 9px;
}
.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-image: -webkit-linear-gradient(45deg, #ffffff 25%, transparent 25%, transparent 75%, #ffffff 75%, #ffffff), -webkit-linear-gradient(45deg, #ffffff 25%, transparent 25%, transparent 75%, #ffffff 75%, #ffffff);
  background-image: -moz-linear-gradient(45deg, #ffffff 25%, transparent 25%, transparent 75%, #ffffff 75%, #ffffff), -moz-linear-gradient(45deg, #ffffff 25%, transparent 25%, transparent 75%, #ffffff 75%, #ffffff);
  background-image: linear-gradient(45deg, #ffffff 25%, transparent 25%, transparent 75%, #ffffff 75%, #ffffff), linear-gradient(45deg, #ffffff 25%, transparent 25%, transparent 75%, #ffffff 75%, #ffffff);
  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, 0.1);
  box-shadow: 2px 4px 6px 0 rgba(0, 0, 0, 0.1);
}
/**
 * Nestable Extras
 */
.nestable-lists {
  display: block;
  clear: both;
  padding: 30px 0;
  width: 100%;
  border: 0;
  border-top: 2px solid #ddd;
  border-bottom: 2px solid #ddd;
}
#nestable-menu {
  padding: 0;
  margin: 20px 0;
}
#nestable-output,
#nestable2-output {
  width: 100%;
  height: 7em;
  font-size: 0.75em;
  line-height: 1.333333em;
  font-family: Consolas, monospace;
  padding: 5px;
  box-sizing: border-box;
  -moz-box-sizing: border-box;
}
#nestable2 .dd-handle {
  color: #fff;
  border: 1px solid #999;
  background: #bbb;
  background: -webkit-linear-gradient(top, #bbbbbb 0%, #999999 100%);
  background: -moz-linear-gradient(top, #bbbbbb 0%, #999999 100%);
  background: linear-gradient(top, #bbbbbb 0%, #999999 100%);
}
#nestable2 .dd-handle:hover {
  background: #bbb;
}
#nestable2 .dd-item > button:before {
  color: #fff;
}
@media only screen and (min-width: 700px) {
  .dd {
    float: left;
    width: 100%;
  }
  .dd + .dd {
    margin-left: 2%;
  }
}
.dd-hover > .dd-handle {
  background: #2ea8e5 !important;
}
