.em-tree-node {
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

.em-tree-node-active {
    background: #e7e7e7;
}

li.em-tree-node > span {
    cursor: pointer;
}

li.em-tree-node > span > span.actions {
    visibility: hidden;
}

li.em-tree-node > span:hover > span.actions {
    visibility: visible;
}