Examine source code of Rojo White & Blue

{
  "theme": {
    "images": {
      "theme_frame": "thefourth.png"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#e0e0e0"
    }
  },
  "version": "2.0",
  "name": "Rojo White & Blue",
  "manifest_version": 2,
  "description": "This is for the fourth of July if you'd like."
}