Examine source code of Peaceful Cemetery

{
  "name": "Peaceful Cemetery",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Peaceful Cemetery.jpg"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(15, 20, 15, 0.49)",
      "bookmark_text": "rgba(79, 168, 79, 1)",
      "toolbar_field": "rgba(250, 245, 245, 1)",
      "toolbar_field_text": "rgba(69, 199, 46, 1)",
      "tab_line": "rgba(242, 244, 247, 0.46)"
    }
  }
}