Examine source code of Colorful discovery.

{
  "theme": {
    "images": {
      "theme_frame": "aaa-920--new-sorari-moza-saike.jpg"
    },
    "colors": {
      "frame": "#ecfce8",
      "tab_background_text": "#fcfcfc"
    }
  },
  "version": "2.0",
  "name": "Colorful discovery.",
  "manifest_version": 2,
  "description": "カラフル発見。"
}