JD Adminbar is the ultimate solution for floating admin panel from front-end of the site with different access level. Each access level has separate menu like you are getting from administrator. JD Adminbar is also responsive for mobile and tab. All you will have to do is login to front-end of the site using admin access and you will get floating admin bar at top of the site. This plugin has been tested in Firefox, Safari, Google Chrom, IE. So it is browser compatible. JD Adminbar currently supported only in English Language. Soon Multilingual is coming for this plugin.