in qml, how to remove tabbar bottom line

[flyzero]

TabBar {
        width: parent.width
        TabButton {
            text: "First"
            //width: implicitWidth
        }
        TabButton {
            text: "Second"
            //width: implicitWidth
        }
        TabButton {
            text: "Third"
            //width: implicitWidth
        }
    }

[Markkyboy]

@flyzero

If I run your code as it is, there is no bottom line of the tab bar. Perhaps to give us some more of your code so as to replicate what you show in your image.