QGCTabBar.qml

import QtQuick                      2.11
import QtQuick.Controls             2.4

import QGroundControl               1.0
import QGroundControl.Palette       1.0
import QGroundControl.Controls      1.0
import QGroundControl.ScreenTools   1.0

TabBar {
    background: Rectangle {
        color: qgcPal.window
    }
}