How To Reference / Link To A Css-file Styling Elements In A Webview For Android

I have several Xsl-Files, which extract Informations from an Xml-File for a Android App. The Xml-File is also used for a mobile website, so it has html-tags included. The output of

Solution 1:

I have solved the problem. A very simple Problem : /

The problem was the wrong folder i searched in.

href="file:///android_asset/raw/design.css"
and 
href="file:///android_res/raw/design.css"

The file was located in res, not in assets.