Examine source code of flo_bru

{
  "theme": {
    "images": {
      "theme_frame": "flo_bru.jpg"
    },
    "colors": {
      "frame": "#a3182b",
      "tab_background_text": "#de1d47"
    }
  },
  "version": "2.0",
  "name": "flo_bru",
  "manifest_version": 2
}