GuiShell/ui/addressBar/stylesheet.py

"Stylesheets to customize Qt controls"

style_root_toolbutton = """
    QToolButton::right-arrow {
        image: url(ui/addressBar/iconfinder_icon-ios7-arrow-right_211607.png);
    }
    QToolButton::left-arrow {
        image: url(ui/addressBar/iconfinder_icon-ios7-arrow-left_211689.png);
    }
    QToolButton::menu-indicator {
        image: none; /* https://stackoverflow.com/a/19993662 */
    }
"""