On 10/28/2022 1:01 AM, Thomas Passin wrote: {snip] >> You might also be able to make the item bold using CSS, but I'm not sure. Apparently so: QTreeView::item:selected { background-color: #1d3dec; color: white; } See https://joekuan.wordpress.com/2015/10/02/styling-qt-qtreeview-with-css/.