Examine source code of Arts Flowers

{
  "name": "Arts Flowers",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "ArtFlowerBorderHCustom.jpg"
    },
    "colors": {
      "frame": "rgba(235, 231, 230, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(237, 233, 232, 0.04)",
      "bookmark_text": "rgba(0, 0, 0, 1)",
      "toolbar_field": "rgba(237, 233, 232, 0.48)",
      "toolbar_field_text": "rgba(0, 0, 0, 1)",
      "tab_line": "rgba(0, 0, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{c26ee994-8192-4c87-98e2-26549c2b579d}"
    }
  }
}