Examine source code of cool dark789

{
  "name": "cool dark789",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "11403306_10207243631832567_4786116436547036672_n.jpg"
    },
    "colors": {
      "frame": "rgba(12, 12, 13, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(66, 32, 4, 1)",
      "bookmark_text": "rgba(20, 18, 18, 1)",
      "toolbar_field": "rgba(79, 6, 21, 1)",
      "toolbar_field_text": "rgba(20, 19, 19, 1)"
    }
  }
}