I was reading HN the other day and stumbled to Cloning the UI of iOS 7 with HTML, CSS and JavaScript. In that the author had problem of creating 1px solid border for retina screens. Besides, another problem to be dealt with are Retina screens. On Retina iPhones, the browser automatically “translates” the 320x480px viewport into the 640x960px screen resolution. While this solution works well for mo