[Python] Border around QLineEdit and other in Python

I need some help with style for QtWidgets in Python. How can I add a solid border around Labels, widgets list, Edit etc.

I added the border to the style sheet like this:

self.setStyleSheet("""
background-color: black;
color: white;
QLineEdit, QComboBox, QListWidget, QLabel {
border: 1px solid white;
}
""")


This does not work What am I doing wrong?

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