.clearfix {
  *zoom: 1;
}
.clearfix:before,
.clearfix:after {
  display: table;
  content: "";
  line-height: 0;
}
.clearfix:after {
  clear: both;
}
.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;
  height: 30px;
  margin: 5px 0;
  cursor: move;
  padding: 5px 10px;
  color: #333;
  text-decoration: none;
  font-weight: 400;
  border: 1px solid #ccc;
  background: #fafafa;
  box-sizing: border-box;
  -moz-box-sizing: border-box;
}
.dd-handle:hover {
  color: #4d7496;
  background: #fff;
}
.dd-item > button {
  display: block;
  position: relative;
  cursor: pointer;
  float: left;
  width: 25px;
  height: 20px;
  margin: 7px 0;
  padding: 0;
  text-indent: 100%;
  white-space: nowrap;
  overflow: hidden;
  border: 0;
  background: transparent;
  font-size: 10px;
  line-height: 1;
  text-align: center;
  font-weight: bold;
}
.dd-item > button:before {
  content: '\f067';
  display: block;
  position: absolute;
  width: 100%;
  text-align: center;
  text-indent: 0;
  font-family: 'FontAwesome';
}
.dd-item > button[data-action="collapse"]:before {
  content: '\f068';
}
.dd-placeholder,
.dd-empty {
  margin: 5px 0;
  padding: 0;
  min-height: 30px;
  background: #ecf1f6;
  border: 1px dashed #4d7496;
  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, 0.1);
  box-shadow: 2px 4px 6px 0 rgba(0, 0, 0, 0.1);
}
.dd-hover > .dd-handle {
  background: #2ea8e5 !important;
}
/**
 * Nestable Draggable Handles
 */
.dd3-content {
  display: block;
  height: 30px;
  margin: 5px 0;
  padding: 5px 10px 5px 40px;
  color: #333;
  text-decoration: none;
  font-weight: 400;
  border: 1px solid #ccc;
  background: #fafafa;
  box-sizing: border-box;
  -moz-box-sizing: border-box;
}
.dd3-content:hover {
  color: #4d7496;
  background: #fff;
}
.dd-dragel > .dd3-item > .dd3-content {
  margin: 0;
}
.dd3-item > button {
  margin-left: 30px;
}
.dd3-handle {
  position: absolute;
  margin: 0;
  left: 0;
  top: 0;
  cursor: move;
  width: 30px;
  text-indent: 100%;
  white-space: nowrap;
  overflow: hidden;
  border: 1px solid #aaa;
  background: #ddd;
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}
.dd3-handle:before {
  content: '≡';
  display: block;
  position: absolute;
  left: 0;
  top: 3px;
  width: 100%;
  text-align: center;
  text-indent: 0;
  color: #fff;
  font-size: 20px;
  font-weight: normal;
}
.dd3-handle:hover {
  background: #ddd;
}