ng-treecontrol.css in Open Atrium Angular 7

/** CSS for tree control
 * Modified in open atrium to fix horribly specific CSS classes
**/
[treecontrol] {
    /* prevent user selection */
    -moz-user-select: -moz-none;
    -khtml-user-select: none;
    -webkit-user-select: none;
    -ms-user-select: none;
    user-select: none;

    /* default */
    font-family: Verdana, Helvetica, Arial, sans-serif;
    font-size:13px;
    color: #555;
    text-decoration: none;
}

[treecontrol] ul {
    margin: 0;
    padding: 0;
    list-style: none;
    border: none;
    overflow: hidden;
}

[treecontrol] li {
    position: relative;
    padding: 0 0 0 20px;
    line-height: 20px;
}

[treecontrol] li.tree-expanded i.tree-leaf-head, [treecontrol] li.tree-collapsed i.tree-leaf-head {display:none;}
[treecontrol] li.tree-expanded i.tree-branch-head, [treecontrol] li.tree-collapsed i.tree-branch-head {display:inline;}
[treecontrol] li.tree-leaf i.tree-branch-head {display:none;}
[treecontrol] li.tree-leaf i.tree-leaf-head {display:inline;}

[treecontrol] li i {
  padding: 1px 10px;
  cursor: pointer;
  background-repeat: no-repeat;
  background-position: center;
}

[treecontrol] li .tree-label {
    cursor: pointer;
    display: inline;
}

[treecontrol].tree-classic li.tree-expanded i {
    background-image: url("../images/folder.png");
}

[treecontrol].tree-classic li.tree-collapsed i {
  background-image: url("../images/folder-closed.png");
}

[treecontrol].tree-classic li.tree-leaf i {
  background-image: url("../images/file.png");
}

[treecontrol].tree-classic li .tree-selected {
    background-color: #aaddff;
    font-weight: bold;
}


[treecontrol].tree-light li.tree-expanded i {
  background-image: url("../images/node-opened-2.png");
}

[treecontrol].tree-light li.tree-collapsed i {
  background-image: url("../images/node-closed-2.png");
}

[treecontrol].tree-light li.tree-leaf i {
    width: 16px; height: 16px;
    background: none no-repeat;
}

[treecontrol].tree-light li .tree-selected {
    font-weight: bold;
}


[treecontrol].tree-dark li.tree-expanded i {
  background-image: url("../images/node-opened-light.png");
}

[treecontrol].tree-dark li.tree-collapsed i {
  background-image: url("../images/node-closed-light.png");
}

[treecontrol].tree-dark li.tree-leaf i {
    width: 16px; height: 16px;
    background: none no-repeat;
}

[treecontrol].tree-dark li .tree-selected {
    font-weight: bold;
}

[treecontrol].tree-dark {
    color: #ddd;
}