Examine source code of Solid dark green theme

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Solid dark green",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgba(0, 27, 5, 0.88)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(31, 69, 38)",
      "tab_background_text": "rgb(215, 255, 210)",
      "toolbar_field": "rgba(31, 69, 38, 0.77)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(15, 194, 45)",
      "popup": "rgba(31, 69, 38, 0.81)",
      "popup_text": "rgb(215, 255, 210)",
      "tab_loading": "rgb(15, 194, 45)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{fe6705f6-6c7a-4485-8137-373f1c128047}"
    }
  }
}