#accordion>.card .card-body {
  height: calc(100vh - 13.2rem);
  overflow: auto;
}

.rb-tree .fa-mobile {
  font-size: 18px;
  color: #999
}

/**
 * Nestable
 */

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

.dd-handle {
  display: block;
  margin: 5px 0;
  padding: 10px;
  text-decoration: none;
  border: 1px solid rgba(0, 0, 0, .125);
  background: #eee;
  -webkit-border-radius: 3px;
  border-radius: 3px;
  box-sizing: border-box;
  -moz-box-sizing: border-box;
  cursor: move;
  font-size: 13px
}

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

.dd-item>button {
  display: block;
  position: relative;
  cursor: pointer;
  float: left;
  width: 35px;
  height: 35px;
  margin: 5px 0;
  padding: 0;
  text-indent: 100%;
  white-space: nowrap;
  overflow: hidden;
  border: 0;
  background: transparent;
  font-size: 13px;
  line-height: 1;
  text-align: center;
}

.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, #fff 25%, transparent 25%, transparent 75%, #fff 75%, #fff), background-image: -moz-linear-gradient(45deg, #fff 25%, transparent 25%, transparent 75%, #fff 75%, #fff), background-image: linear-gradient(45deg, #fff 25%, transparent 25%, transparent 75%, #fff 75%, #fff), 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);
}