Xamarin WeView not able to load render javascript styles when offline

Question

My Application works fine when I am online and try to bind data to webview but when I am binding the data in offline mode then some of the styles are not rendering properly.
I am using default Xamarin forms WebView.

The Webview is binded with data in the initial call and then we are making it offline and going into the page. Although we get the correct HTML for the Page but some of the styles are not loaded in the webview which exist in the HTML.