Examine source code of Summer Gold by MaDonna

{
  "name": "Summer Gold by MaDonna",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "SummerGoldH.jpg"
    },
    "colors": {
      "frame": "rgba(252, 217, 104, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(252, 220, 104, 0)",
      "bookmark_text": "rgba(0, 0, 0, 1)",
      "toolbar_field": "rgba(252, 220, 104, 0.05)",
      "toolbar_field_text": "rgba(0, 0, 0, 1)",
      "tab_line": "rgba(0, 0, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{52ae428e-d3fb-4a31-9164-7ffa8d4b43ba}"
    }
  }
}