Examine source code of dark forest green theme

{
  "name": "dark forest green theme",
  "manifest_version": 2,
  "version": "5.0",
  "theme": {
    "images": {
      "theme_frame": "Untitled.png"
    },
    "colors": {
      "frame": "rgba(23, 23, 23, 1)",
      "tab_background_text": "rgba(178, 197, 179, 1)",
      "toolbar": "rgba(38, 38, 38, 1)",
      "bookmark_text": "rgba(213, 221, 222, 1)",
      "toolbar_field": "rgba(59, 79, 70, 1)",
      "toolbar_field_text": "rgba(178, 197, 179, 1)",
      "tab_line": "rgba(178, 197, 179, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{c4e35e72-93b4-44b0-b2c2-2eef99367d8f}"
    }
  }
}