.tree, .details{
    padding: 10px;
    width: 48%;
}

.details table th,
.details table td{
    border: 0px;
    padding-left: 0px;
    text-align: left;
}

.col_half {
    float: left;
    width: 50%;
}

#hierarchy, #hierarchy_edit {
    display:none;
}

#form_field_nomenclature ul {
    float:left;
}