Examine source code of Crazy_Rainbow

{
  "theme": {
    "images": {
      "theme_frame": "T_C_Rainbow.jpg"
    },
    "colors": {
      "frame": "#d9d0d0",
      "tab_background_text": "#e8da10"
    }
  },
  "version": "2.0",
  "name": "Crazy_Rainbow",
  "manifest_version": 2,
  "description": "colors, rainbow, red, orange, yellow, green, blue, purple, crazy, wave, swirl"
}