QTreeWidget {
font-size: 14pt; 
font-family: TimesNewRoman;
}

QTreeWidget {
    alternate-background-color: yellow;
}

QTreeWidget {
    show-decoration-selected: 1;
}

QTreeWidget::item {
    border: 1px solid #d9d9d9;
    border-top-color: transparent;
    border-bottom-color: transparent;
}

QTreeWidget::item:hover {
    background: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1, stop: 0 #e7effd, stop: 1 #cbdaf1);
    border: 1px solid #bfcde4;
}

QTreeWidget::item:selected {
    border: 1px solid #567dbc;
}

QTreeWidget::item:selected:active{
    background: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1, stop: 0 #6ea1f1, stop: 1 #567dbc);
}

QTreeWidget::item:selected:!active {
    background: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1, stop: 0 #6b9be8, stop: 1 #577fbf);
}