Q_ENUMS and Qt Style Sheet

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Well, strange things in QT happens when I try to load stylesheet, located in separate file

I have a class looks like following:

AClass.h:

class AClass : public QFrame
{
    Q_OBJECT
    Q_ENUMS(State)
    Q_PROPERTY(State status READ getStatus WRITE setStatus)
    Q_PROPERTY(int status_int READ getStatus_int WRITE setStatus_int)
public:
    enum State {Ok,Wrong,Unknown};
    State getStatus() const {return m_status;}
    void setStatus(State status) {m_status=status;}
    int getStatus_int() const {return m_status_int;}
    void setStatus_int(int status) {m_status_int=status;}
    ...
private:
    State m_status;
    int m_status_int;
    ...
};

class AClass : public QFrame
{
    Q_OBJECT
    Q_ENUMS(State)
    Q_PROPERTY(State status READ getStatus WRITE setStatus)
    Q_PROPERTY(int status_int READ getStatus_int WRITE setStatus_int)
public:
    enum State {Ok,Wrong,Unknown};
    State getStatus() const {return m_status;}
    void setStatus(State status) {m_status=status;}
    int getStatus_int() const {return m_status_int;}
    void setStatus_int(int status) {m_status_int=status;}
    ...
private:
    State m_status;
    int m_status_int;
    ...
};

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AClass.cpp:

AClass::AClass(QWidget *parent) :
    QFrame(parent),
    m_status(Ok),
    m_status_int(0)
{
}
...

AClass::AClass(QWidget *parent) :
    QFrame(parent),
    m_status(Ok),
    m_status_int(0)
{
}
...

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Lines in .css file:

#AClass[status="Ok"] {background-color: lime;} //////////// DO NOT WORK
#AClass[status_int="0"] {{background-color: lime;} /////////// EVERYTHING OK!

Well, in Qt documentation written:
"If the property references an enum declared with Q_ENUMS,
you should reference its constants by name, i.e., not their numeric value."
It seems to me it does not work at all...
Possibly I'm too stupid to understand Q_ENUMS macros...
Please! Help me anybody)