jqwidgets-framework/demos/React-TSX/treemap/bindingtotabdata/src/App.css

jQWidgets is an advanced Angular, Vue, Blazor, React, Web Components, jquery, ASP .NET MVC, Custom Elements and HTML5 UI framework.

.jqx-treemap-legend {
    width: 350px;
    background: rgba(0, 0, 0, 0.4);
}

.jqx-treemap-label + div {
    width: 100%;
    height: 100%;
}