.jstree-default a {
    white-space: normal !important;
    height: auto;
}

.jstree-anchor {
    height: auto !important;
}

.jstree-default li > ins {
    vertical-align: top;
}

.jstree-leaf {
    height: auto;
}

    .jstree-leaf a {
        height: auto !important;
    }