QWidget{
background:rgb(0,0,0);
}

QPushButton#new_add_btn{
background:rgb(240,240,240);
}


QWidget#Widget{
background:rgba(240,240,240,0);
border-radius:6px;
}


QTableWidgetItem#tableWidget{
background:rgba(240,240,240,0);
}













void Notebook::on_sort_btn_clicked()
{
    if(dack_wight_flag)
    {
        QFile qss(":/stylesheet/stylesheet_wight.css");
               if( qss.open(QFile::ReadOnly))
               {
                   qDebug("open success");
                   QString style = QLatin1String(qss.readAll());
                   this->setStyleSheet("background:rgb(255,255,255);");
                   qss.close();
               }
               else
               {
                  qDebug("Open failed");
         }
               dack_wight_flag = 0;

    }else{
        QFile qss(":/stylesheet/stylesheet_black.css");
               if( qss.open(QFile::ReadOnly))
               {
                   qDebug("open success");
                   QString style = QLatin1String(qss.readAll());
                   this->setStyleSheet("background:rgb(0,0,0);");
                   qss.close();
               }
               else
               {
                  qDebug("Open failed");
         }
               dack_wight_flag = 1;

    }
}
