Examine source code of Clear Black Theme

{
  "name": "Clear Black",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "futaba_by_wabisabiwonders_dg67q3m-fullview.jpg"
    },
    "colors": {
      "frame": "rgba(0, 0, 0, 0.18)",
      "tab_background_text": "rgba(0, 255, 230, 1)",
      "toolbar": "rgba(0, 0, 0, 0.37)",
      "bookmark_text": "rgba(1, 3, 3, 1)",
      "toolbar_field": "rgba(0, 0, 0, 0.41)",
      "toolbar_field_text": "rgba(199, 183, 183, 1)",
      "tab_line": "rgba(174, 189, 178, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{e4387924-4831-4297-9ccb-1efcf1e8815d}"
    }
  }
}