Examine source code of Yes2web

{
  "theme": {
    "images": {
      "theme_frame": "Persona_Header_Y2w_black.png"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#bababa"
    }
  },
  "version": "2.0",
  "name": "Yes2web",
  "manifest_version": 2,
  "description": "Yes2web B.V. is a web development agency located in The Netherlands. Established in 1999 Yes2web has assisted and adviced many advertising agencies in developing websites, internet applications, search engine optimisation and social media campaigns."
}