angular-ui-tree.css

.angular-ui-tree {
    font-size:13px;
}

.angular-ui-tree-empty {
    border: 1px dashed #bbb;
    min-height: 100px;
    background-color: #e5e5e5;
    background-image: -webkit-linear-gradient(45deg, #fff 25%, transparent 25%, transparent 75%, #fff 75%, #fff), -webkit-linear-gradient(45deg, #fff 25%, transparent 25%, transparent 75%, #fff 75%, #fff);
    background-image: -moz-linear-gradient(45deg, #fff 25%, transparent 25%, transparent 75%, #fff 75%, #fff), -moz-linear-gradient(45deg, #fff 25%, transparent 25%, transparent 75%, #fff 75%, #fff);
    background-image: linear-gradient(45deg, #fff 25%, transparent 25%, transparent 75%, #fff 75%, #fff), linear-gradient(45deg, #fff 25%, transparent 25%, transparent 75%, #fff 75%, #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;
    padding-left:20px;
}

.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: 5px 0;
    padding: 0;
    min-height: 30px;
}

.angular-ui-tree-handle {
    margin-bottom:10px;
    display:inline-block;
    cursor: pointer;
    vertical-align: top;
    text-decoration: none;
    font-weight: 400;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    min-height: 20px;
    line-height: 20px;
}

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