:host {
  display: block;
}

.tree-item {
  align-items: center;
  color: #1774E5;
  display: flex;
  flex-direction: row;
  font-family: "Source Sans Pro";
  font-size: 16px;
  height: 40px;
  justify-content: space-between;
  letter-spacing: 0;
  line-height: 24px;
}

.tree-item:hover {
  background-color: #FFFFFF;
}

.tree-item.selected {
  background-color: #FFFFFF;
  border-left: 4px solid #0E4F9E;
}

.menu-toggle-icon {
  visibility: hidden;
  width: 40px;
  height: 100%;
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
}

.tree-item:hover .menu-toggle-icon, .tree-item.selected .menu-toggle-icon {
  visibility: visible;
}

.show-children {
  transform: rotate(180deg);
}


