Examine source code of D-grayman_vivian

{
  "theme": {
    "images": {
      "theme_frame": "dgrayman_wh2.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#4e00cc"
    }
  },
  "version": "2.0",
  "name": "D-grayman_vivian",
  "manifest_version": 2
}