Woo hoo! It is working. Thanks. Is there something I can edit to chajge the white to a medium dark tone?
self.ui.btnHate.setStyleSheet("background-color: rgb(100, 100, 100);\nborder: rgb(255, 255, 255);\nbackground-image: url(:/img/img/thumbdwn_small.png);")
self.ui.centralwidget.setStyleSheet("background-color: #111111")