Examine source code of city_and_colour2

{
  "theme": {
    "images": {
      "theme_frame": "Dallas_Green_by_retroboyy2.JPG"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#7d7c7c"
    }
  },
  "version": "2.0",
  "name": "city_and_colour2",
  "manifest_version": 2,
  "description": "Dallas Green (born September 29, 1980) is a Juno Award-winning Canadian singer-songwriter and musician, known for his work as guitarist and singer for the post-hardcore band Alexisonfire  and his folk songs, released under the alias of City and Colour."
}