Examine source code of rickandmortytheme

{
  "name": "rickandmortytheme",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "Rick And Morty.png"
    },
    "colors": {
      "frame": "rgba(255, 255, 255, 0)",
      "tab_background_text": "rgba(179, 87, 255, 1)",
      "toolbar": "rgba(107, 10, 163, 0.36)",
      "bookmark_text": "rgba(212, 189, 255, 1)",
      "toolbar_field": "rgba(172, 127, 255, 0.5)",
      "toolbar_field_text": "rgba(95, 67, 186, 1)",
      "tab_line": "rgba(95, 67, 186, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{b7a5485d-9ced-4456-9ee7-7e4ac1e5d188}"
    }
  }
}