Examine source code of light green

{
  "name": "light green",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "mai8.jpg"
    },
    "colors": {
      "frame": "rgba(141, 252, 86, 1)",
      "tab_background_text": "rgba(44, 107, 37, 1)",
      "toolbar": "rgba(84, 128, 94, 0.22)",
      "bookmark_text": "rgba(15, 71, 0, 1)",
      "toolbar_field": "rgba(161, 255, 140, 1)",
      "toolbar_field_text": "rgba(21, 82, 0, 1)",
      "tab_line": "rgba(86, 143, 67, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{cdc09464-3ac7-45c9-a624-3e33088aa6bc}"
    }
  }
}