#1 [css]: Sanitation

This causes some interesting effects. If a website modifies any CSS such as h1, p, buttons, etc... (which is very high probability) our UI is also modified. This effect is undesired, and thus, complete custom CSS should be provided to Undo these effects. In the 'addCSS' call there would be more data inserted, and the push to body would make use of the new CSS styles.