.angular-ui-tree-empty {
    border: 1px dashed #bbb;
    min-height: 100px;
    background-color: #e5e5e5;
    background-image: -webkit-linear-gradient(45deg,#fff 25%,transparent 0,transparent 75%,#fff 0,#fff),-webkit-linear-gradient(45deg,#fff 25%,transparent 0,transparent 75%,#fff 0,#fff);
    background-image: linear-gradient(45deg,#fff 25%,transparent 0,transparent 75%,#fff 0,#fff),linear-gradient(45deg,#fff 25%,transparent 0,transparent 75%,#fff 0,#fff);
    background-size: 60px 60px;
    background-position: 0 0,30px 30px;
    pointer-events: none
}

.angular-ui-tree-nodes {
    position: relative;
    margin: 0;
    padding: 0;
    list-style: none
}

    .angular-ui-tree-nodes .angular-ui-tree-nodes {
        padding-left: 20px
    }

.angular-ui-tree-node, .angular-ui-tree-placeholder {
    position: relative;
    margin: 0;
    padding: 0;
    min-height: 20px;
    line-height: 20px
}

.angular-ui-tree-hidden {
    display: none
}

.angular-ui-tree-placeholder {
    margin: 10px;
    padding: 0;
    min-height: 30px
}

.angular-ui-tree-handle {
    cursor: move;
    text-decoration: none;
    font-weight: 700;
    box-sizing: border-box;
    min-height: 20px;
    line-height: 20px
}

.angular-ui-tree-drag {
    position: absolute;
    pointer-events: none;
    z-index: 999;
    opacity: .8
}

    .angular-ui-tree-drag .tree-node-content {
        margin-top: 0
    }