Examine source code of Twilight - the meadows

{
  "name": "Twilight - the meadows",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "Twilight-une-serie-inspiree-de-la-saga-a-succes-est-en-preparation(6).png"
    },
    "colors": {
      "frame": "rgba(0, 1, 3, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(0, 0, 0, 0.24)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(0, 0, 0, 0)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(171, 48, 44, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{17277c43-7333-4fe7-b989-37a2911d08bc}"
    }
  }
}