添加按钮样式

MainWindow::MainWindow(QWidget *parent) :
    QMainWindow(parent),
    ui(new Ui::MainWindow)
{
    ui->setupUi(this);
    setWindowState(Qt::WindowMaximized); // 最大化
    setStyleSheet(
                "QMainWindow{"
                "background:white;}"

                "QToolButton{"
                "background-color:rgba(100,225,100,30);"//背景色
                "border-style:outset;"                  //边框样式
                "border-width:4px;"                     //边框宽度像素
                "border-radius:10px;"                   //边框圆角半径像素
                "border-color:rgba(255,255,255,30);"    //边框颜色
                "font:bold 15px;"                       //字体，字体大小
                "color:rgba(0,0,0,100);"                //字体颜色
                "padding:6px;"                          //填衬
                "}"


                "QToolButton:hover{"
                "background-color:rgba(100,255,100,100);"
                "border:0px;"
                "border-color:rgba(255,255,255,200);"
                "color:rgba(0,0,0,200);"
                "}"

                "QToolButton:pressed{"
                "background-color:rgba(100,255,100,200);"
                "border:0px;"
                "border-color:rgba(255,255,255,30);"
                "border-style:inset;"
                "color:rgba(0,0,0,100);"
                "}");
}