Examine source code of Orange Octopus

{
  "theme": {
    "images": {
      "theme_frame": "OrangeOctopus.jpg"
    },
    "colors": {
      "frame": "#c74118",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "Orange Octopus",
  "manifest_version": 2,
  "description": "It's orange and yellow. And it's an octopus. Or technically two.\n...\n...It's pretty, what more do you need?"
}