Examine source code of bishop

{
  "name": "bishop",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "bishop.jpg"
    },
    "colors": {
      "frame": "rgba(48, 99, 209, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(27, 184, 179, 1)",
      "bookmark_text": "rgba(115, 8, 101, 1)",
      "toolbar_field": "rgba(111, 159, 222, 1)",
      "toolbar_field_text": "rgba(191, 214, 98, 1)"
    }
  }
}