Examine source code of Radial Blue

{
  "theme": {
    "images": {
      "theme_frame": "radium.jpg"
    },
    "colors": {
      "frame": "#3a8c81",
      "tab_background_text": "#00decf"
    }
  },
  "version": "2.0",
  "name": "Radial Blue",
  "manifest_version": 2,
  "description": "Smooth blue design, named after the radial blur effect I used to create it."
}