Examine source code of Mytilene by night

{
  "theme": {
    "images": {
      "theme_frame": "02.jpg"
    },
    "colors": {
      "frame": "#bae0db",
      "tab_background_text": "#fafafa"
    }
  },
  "version": "2.0",
  "name": "Mytilene by night",
  "manifest_version": 2,
  "description": "Mytilene Harbor at night"
}