InAppBrowser Ionic2 How to change design of browser

var browser = new InAppBrowser(‘’, ‘_blank’);

        () => {

        err => {
            console.log("InAppBrowser Loadstop Event Error: " + err);

This is creating error –
caused by: Cannot read property ‘addEventListener’ of undefined

I tried too, in order to change the design or add CSS of InAppBrowser using insertCSS method, but there is no success. Don’t know why this is not working.

I have also asked InAppBrowser - possible to Customize? insertCss not working on the forum for this. But no reply.

But after that as per my requirement I able to only change the Navigation bar/ tool bar by tweaking into plugin file i.e.
Follow below link, check may this help you.