Examine source code of Teknical free design

{
  "theme": {
    "images": {
      "theme_frame": "ideur_.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#020473"
    }
  },
  "version": "2.0",
  "name": "Teknical free design",
  "manifest_version": 2,
  "description": "mechanical  design, engrenage, technique, cool design for your browser. Best view at 1920 x 1080 pixels."
}