dfbrowser/DfBrowser/style/touchable_qmessagebox.qss

QWidget{
    /*font: 24px;*/
    background-color: black;
    color: white;
}

QPushButton{
    background-color: black;
    color: white;
    min-width:250 px;
    min-height:64 px;
    border: 2px solid;
    border-color: darkgray;
    border-radius: 20px;
}