.treeview,
.treeview * {
  user-select: none;
  margin: 0px;
  padding: 0px;
  box-sizing: border-box;
}

.treeview{
  margin-left: -50px;
  padding-left: 20px;
}

.treeview p {
  padding-left: 20px;
  margin: 0px;
}

.treeview .item {
  cursor: pointer;
  display: inline-block;
  padding: 4px;
}
.treeview .item:hover {
  background: #ddd;
}

.treeview .group{
  border-width: 0;
}

.treeview .group [fold-button] {
  display: inline-block;
  padding: 10px;
  width: 30px;
  text-align: center;
  border-radius: 3px;
  cursor: pointer;
}
.treeview .group [fold-button]:hover {
  background: #aaa;
}

.treeview .item i {
  margin-right: 10px;
  color: rgb(189, 189, 189);
}

.treeview .item {
  color: #000000;
}