Examine source code of Armored Core 4

{
  "theme": {
    "images": {
      "theme_frame": "ArmoredCorePersona.jpg"
    },
    "colors": {
      "frame": "#ababab",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Armored Core 4",
  "manifest_version": 2,
  "description": "Completely changing the overall theme of my computer. Thought I'd upload the persona that I made to go with it."
}