painter->setPen(QColor(168, 168, 168, 180));
painter->drawLine(l2);
painter->setPen(QColor(108, 108, 108, 180));
painter->drawLine(l2.translated(0, 1));
painter->setPen(QColor(Qt::white));
painter->setPen(QColor(168, 168, 168, 180));
painter->drawLine(l2);
painter->setPen(QColor(108, 108, 108, 180));
painter->drawLine(l2.translated(0, 1));
painter->setPen(QColor(Qt::white));