Examine source code of Handful

{
  "theme": {
    "images": {
      "theme_frame": "hands-header.jpg"
    },
    "colors": {
      "frame": "#a1f1f7",
      "tab_background_text": "#05fcec"
    }
  },
  "version": "2.0",
  "name": "Handful",
  "manifest_version": 2,
  "description": "Bright and simple."
}