.c1-tree-view-item {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    margin: 0;
    outline: 0;
    padding: 0;
    touch-action: none;
}

.dragover.before:not(.draggable) {
    border: 1px dashed black;
    border-bottom: none;
}
.dragover.after:not(.draggable) {
    border: 1px dashed black;
    border-top: none;
}
.dragover.draggable {
    background-color: #bceff8;
}

.dragover.droppable {
    background-color: #bceff8;
}

.droppable{
    touch-action:none;
}