.iui-treeitem-hovered, .iui-treeitem-content-hovered
{
    animation-name: none;
    background-color: #808080;
    border: 2px solid #808080;
}
.iui-treeitem-selected, .iui-treeitem-content-selected
{
    animation-name: none;
    background-color: #646464;
    border: 2px solid #646464;
    color: white;
}
.iui-treeitem-expand-box-open, .iui-treeitem-expand-box-open:hover
{
    background-position: -48px -16px;
    opacity: 0.5;
}
.iui-treeitem-expand-box-close, .iui-treeitem-expand-box-close:hover
{
    background-position: -48px 0;
    opacity: 0.5;
}
.iui-treeitem-expand-box-open-animate
{
    background-position: -48px 0;
}
.iui-treeitem-expand-box-close-animate
{
    background-position: -48px 0;
}