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This PySide (PyQT) code sample shows you how to apply a StyleSheet to a GroupBox containing a number of RadioButtons.

''' ps_test_setStyleSheet1.py
test PySide widgets like QGroupBox and QRadioButton
also setStyleSheet() for the QGroupBox
info:
http://srinikom.github.com/pyside-docs/PySide/QtGui/QGroupBox.html
tested with Python27 and Python33  by  vegaseat  23jan2013
'''

from PySide.QtCore import *
from PySide.QtGui import *

app = QApplication([])  # no need to import sys

# ----- start your widget test code ----

groupBox = QGroupBox("Radio Buttons")

radio1 = QRadioButton("Radio button 1")
radio2 = QRadioButton("Radio button 2")
radio3 = QRadioButton("Radio button 3")

radio1.setChecked(True)

vbox = QVBoxLayout()
vbox.addWidget(radio1)
vbox.addWidget(radio2)
vbox.addWidget(radio3)
vbox.addStretch(1)
groupBox.setLayout(vbox)

# optionally white bg with red border (3 pixel wide)
groupBox.setStyleSheet("QGroupBox { background-color: \
    rgb(255, 255, 255); border: 3px solid rgb(255, 0, 0); }")

groupBox.show()

# ---- end of widget test code -----

app.exec_()
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