Examine source code of Navy Colours

{
  "name": "Navy Colours",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "ce-navies_BG.jpg"
    },
    "colors": {
      "frame": "rgba(32, 47, 72, 1)",
      "tab_background_text": "rgba(240, 232, 232, 1)",
      "toolbar": "rgba(51, 79, 121, 1)",
      "bookmark_text": "rgba(240, 232, 232, 1)",
      "toolbar_field": "rgba(51, 79, 121, 1)",
      "toolbar_field_text": "rgba(240, 232, 232, 1)",
      "tab_line": "rgba(51, 79, 121, 1)"
    }
  }
}