Examine source code of Appareciation

{
  "name": "Appareciation",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "Appareciation tiny.2png.png"
    },
    "colors": {
      "frame": "rgba(227, 200, 150, 1)",
      "tab_background_text": "rgba(242, 211, 162, 1)",
      "toolbar": "rgba(209, 200, 182, 0.45)",
      "bookmark_text": "rgba(247, 240, 217, 1)",
      "toolbar_field": "rgba(255, 252, 242, 0.61)",
      "toolbar_field_text": "rgba(54, 40, 23, 1)",
      "tab_line": "rgba(196, 170, 104, 0.49)"
    }
  }
}