While trying to accomplish this task with as little modification as necessary to the original app projects themselves to be hosted in the simulator, I am injecting the
You may want to look at scoped styles; see http://css-tricks.com/saving-the-day-with-scoped-css/.
The basic idea is
<div> <style scoped> @import "scoped.css"; </style> </div>
However, you are on the bleeding edge here in terms of browser support. See http://caniuse.com/style-scoped.
One alternative would be to use an iframe.