Examine source code of hollow_bleach

{
  "theme": {
    "images": {
      "theme_frame": "ichigo.jpg"
    },
    "colors": {
      "frame": "#0d0505",
      "tab_background_text": "#0f0d0d"
    }
  },
  "version": "2.0",
  "name": "hollow_bleach",
  "manifest_version": 2,
  "description": "another pic\nmade by me\n\nwft!!"
}