Adwaita-Dark.qss

/* General QWidget styling */

QWidget {
    border: 1px solid #393939;
    border-radius: 10px; 
    background-color: #393939; 
    color: #f9fafa;
}

QWidget:disabled {
    border: 1px solid #2d2d2d;
    background-color: #2d2d2d;
    color: #999999;
}
QWidget:focus {
    border: 2px solid #587392;
}

QWidget#Frame {
    background-color: #242424;
    border: none;
}

QLabel {
    background-color: #242424;
    border: none;
}

QPushButton:hover {
    background-color: #454545;
}

QPushButton:pressed {
    background-color: #707070;
}