Examine source code of OneDIrection_Rainbow

{
  "theme": {
    "images": {
      "theme_frame": "Persona_Header_1Drainbow.JPG"
    },
    "colors": {
      "frame": "#fff305",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "OneDIrection_Rainbow",
  "manifest_version": 2,
  "description": "Just the colorful colors of the 1derful One Direction."
}