Examine source code of hsv swg design

{
  "theme": {
    "images": {
      "theme_frame": "6-96ab0bee4af20e55-m.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "hsv swg design",
  "manifest_version": 2,
  "description": "Hannoverscher Sportverein von 1896 e.V. swg design"
}