.tree {
  min-height: 20px;
  /* padding: 19px;*/
  /*margin-bottom: 20px;*/
  /*background-color: #fbfbfb;*/
  /*border: 1px solid #999;*/
  /*-webkit-border-radius: 4px;*/
  /*-moz-border-radius: 4px;*/
  /*border-radius: 4px;*/
  /*-webkit-box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.05);*/
  /*-moz-box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.05);*/
  /*box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.05); */
}

.tree li {
  list-style-type: none;
  margin: 0;
  padding: 10px 5px 0 5px;
  position: relative;
}

.tree li::before, .tree li::after {
  content: '';
  left: -20px;
  position: absolute;
  right: auto;
}

.tree li::before {
  border-left: 1px solid #999;
  bottom: 50px;
  height: 100%;
  top: 0;
  width: 1px;
}

.tree li::after {
  border-top: 1px solid #999;
  height: 20px;
  top: 25px;
  width: 25px;
}

.tree li span {
  -moz-border-radius: 5px;
  -webkit-border-radius: 5px;
  /*border: 1px solid #999;*/
  /*border-radius: 5px;*/
  /*display: inline-block;*/
  padding: 3px 8px;
  text-decoration: none;
}

.tree li.parent_li > span {
  cursor: pointer;
}

.tree > ul > li::before, .tree > ul > li::after {
  border: 0;
}

.tree li:last-child::before {
  height: 30px;
}

.tree li.parent_li > span:hover, .tree li.parent_li > span:hover + ul li span {
  background: #eee;
  border: 1px solid #94a0b4;
  color: #000;
}

.leaf:hover {
  background: #eee;
  border: 1px solid #94a0b4;
  color: #000;
}