border:none;background-image:url(:/Resource/leftArror.png);background-position:left;background-repeat:no-repeat;...

QPushButton:hover:!pressed{ border:1pxsolid#434E7A;}...

 QPushButton#btn_login{border-style:none;color:#FFFFFF;padding:5px;min-height:15px;border-radius:5px;background:qlineargradient(spread:pad,x1:0,y1:0,x2:0,y...

 需要fromPyQt5.QtWidgetsimportQPushButton继承QObject-->QWidget-->QAbstractButton-->QPushButton创建按钮控件：QPushButton()创建一个无父控件的按钮控件QPushButton(parent)创建控件...