.datatreeview {
    border: 1px solid black;
    background-color: #ffffff;
}

.datatreeview-list {
    list-style: none;
    padding-left: 2em;
    margin: 0;
}

.datatreeview > .datatreeview-list {
    padding: 1em;
    padding-left: 3em;
}

.datatreeview-node {
    position: relative;
}

.datatreeview-node::after {
    content: "";
    height: 0.75em;
    width: 1.625em;
    border-bottom: 1px dashed #999999;
    position: absolute;
    left: -1.625em;
    top: 0;
}

.datatreeview > .datatreeview-list > .datatreeview-node:first-child::before {
    content: "";
    width: 1em;
    height: calc(100% + 1.75em);
    border-left: 1px dashed #999999;
    position: absolute;
    left: -1.625em;
    top: -1em;
}

.datatreeview-node-content::after {
    content: "";
    width: 1em;
    height: calc(100% - 2.375em);
    border-left: 1px dashed #999999;
    position: absolute;
    left: .375em;
    top: 1.125em;
}

.datatreeview-toggler {
    width: .75em;
    height: .75em;
    position: relative;
    border: 1px solid black;
    background: #ffffff;
    margin-top: .375em;
}

.datatreeview-toggler::after {
    content: "";
    background-color: #000000;
    width: .5em;
    height: 2px;
    position: absolute;
    top: calc(50% - 1px);
    left: calc(50% - .25em);
}

.datatreeview-node-collapsed > .datatreeview-node-content > .datatreeview-toggler::before {
    content: "";
    background-color: #000000;
    width: 2px;
    height: .5em;
    position: absolute;
    top: calc(50% - .25em);
    left: calc(50% - 1px);
}

.datatreeview-text {
    margin-left: 0.5em;
    position: relative;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow-x: hidden;
}

.datatreeview-text:first-child {
    margin-left: 1.25em;
}

.datatreeview-field {
    margin-right: 0.5em;
}