Examine source code of SID jpop firefox skin

{
  "theme": {
    "images": {
      "theme_frame": "SIDfirefoxskin.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "SID jpop firefox skin",
  "manifest_version": 2,
  "description": "YES! finally, nidome no kanojo, uso, rain and monokuromu no kisu! they DEFINITELY DESERVE IT!"
}