Examine source code of Rainbow Butterflies

{
  "theme": {
    "images": {
      "theme_frame": "rainbowthingylolcopy3.jpg"
    },
    "colors": {
      "frame": "#ff2eb2",
      "tab_background_text": "#878787"
    }
  },
  "version": "2.0",
  "name": "Rainbow Butterflies",
  "manifest_version": 2,
  "description": "...Eh it just looks pretty."
}