.dd {
  position: relative;
  display: block;
  margin: 0;
  padding: 0;
  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: 20px;
}

.dd-item,
.dd-empty,
.dd-placeholder {
  display: block;
  position: relative;
  margin: 0 0 0 30px;
  padding: 0;
  min-height: 20px;
  font-size: 13px;
  line-height: 20px;
}

.dd-handle {
  display: inline-block;
  color: #333;
  text-decoration: none;
  font-size: 18px;
  line-height: 40px;
  padding: 0.2em;
  cursor: move;
  min-width: 50px;
  text-align: center;
}

.dd-handle:hover {
  color: #2ea8e5;
  background: #fff;
}

.dd-content {
  display: block;
  display: -moz-flex;
  display: flex;
  /* border: 1px solid #ecf0f5; */
  border-radius: 0;
  border-color: #D4D4D4 #D4D4D4 #BCBCBC;
  margin: 0 0 0 30px;
  background: #fdfdfd;
  /*   background: linear-gradient(to bottom, #fff 0, #f6f6f6 47%, #ededed 100%); */
  /*   filter: "progid: DXImageTransform.Microsoft.gradient(startColorstr='#ffffff', endColorstr='#ededed', GradientType=0)"; */
  box-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
}

.dd-body {
  padding: 5px;
  display: block;
  width: 100%;
  /* display: flex; */
}

.dd-item > button {
  position: relative;
  cursor: pointer;
  float: left;
  width: 30px;
  height: 20px;
  margin: 5px 0;
  padding: 0;
  text-indent: 100%;
  white-space: nowrap;
  overflow: hidden;
  border: 0;
  background: transparent;
  font-size: 16px;
  line-height: 1;
  text-align: center;
  font-weight: bold;
}

.dd-item > button:before {
  display: block;
  position: absolute;
  width: 100%;
  text-align: center;
  text-indent: 0;
}

.dd-item > button.dd-expand:before {
  font-family: FontAwesome;
  content: '\f114';
}

.dd-item > button.dd-collapse:before {
  font-family: FontAwesome;
  content: '\f115';
}

.dd-expand {
  display: none;
}

.dd-collapsed .dd-list,
.dd-collapsed .dd-collapse {
  display: none;
}

.dd-collapsed .dd-expand {
  display: block;
}

.dd-empty,
.dd-placeholder {
  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 {
  box-shadow: 2px 4px 6px 0 rgba(0, 0, 0, .1);
}

.dd-list .dd-handle {
  height: 45px
}

.dd-list .dd-handle:hover {
  color: #3c8dbc
}

.dd-list .dd-empty,
.dd-list .dd-item,
.dd-list .dd-placeholder {
  /* display: block; */
  /* font-size: 14px; */
  /* line-height: 32px; */
}

.dd-list .dd-item > button {
  height: 32px
}

.dd-list ol {
  margin: 0 0 0 25px;
  padding: 0;
  list-style-type: none
}

.dd-item {
  margin: 5px 0 0;
  padding: 0;
}

.dd-label {
  display: inline-block;
  margin: 0 10px;
  line-height: 30px;
}

.dd-tools {
  display: block;
  float: right;
}

.dd-icon {
  max-width: 40px;
  max-height: 40px;
}

.dd-item.disabled .dd-content {
  opacity: 0.8;
  background-color: #f4f4f4;
  box-shadow: 1px 1px 2px rgba(0, 0, 0, 0.1);
}