Examine source code of Brushed with Grace

{
  "theme": {
    "images": {
      "theme_frame": "FlowerT.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#fbfcd8"
    }
  },
  "version": "2.0",
  "name": "Brushed with Grace",
  "manifest_version": 2,
  "description": "For since the creation of the world His invisible attributes are clearly seen, being understood by the things that are made, even His eternal power and Godhead, so that they are without excuse - Romans 1:20"
}