Widget > QLabel { font: 24px 'Segoe UI', 'Microsoft YaHei'; } Widget { border: 1px solid rgb(29, 29, 29); background-color: rgb(39, 39, 39); border-top-left-radius: 10px; border-right: none; border-bottom: none; } Window { background-color: rgb(32, 32, 32); } StandardTitleBar { background-color: rgb(32, 32, 32); } StandardTitleBar > QLabel, Widget > QLabel { color: white; } MinimizeButton { qproperty-normalColor: white; qproperty-normalBackgroundColor: transparent; qproperty-hoverColor: white; qproperty-hoverBackgroundColor: rgba(255, 255, 255, 26); qproperty-pressedColor: white; qproperty-pressedBackgroundColor: rgba(255, 255, 255, 51) } MaximizeButton { qproperty-normalColor: white; qproperty-normalBackgroundColor: transparent; qproperty-hoverColor: white; qproperty-hoverBackgroundColor: rgba(255, 255, 255, 26); qproperty-pressedColor: white; qproperty-pressedBackgroundColor: rgba(255, 255, 255, 51) } CloseButton { qproperty-normalColor: white; qproperty-normalBackgroundColor: transparent; }