Examine source code of self made

{
  "theme": {
    "images": {
      "theme_frame": "Personasfirefoxkopie.jpg"
    },
    "colors": {
      "frame": "#014723",
      "tab_background_text": "#032445"
    }
  },
  "version": "2.0",
  "name": "self made",
  "manifest_version": 2,
  "description": "I would like to make one here it is"
}