Examine source code of CZT Dark Theme

{
  "manifest_version": 2,
  "version": "0.2.2",
  "name": "My Dark Theme",
  "theme": {
    "colors": {
      "frame": "#21252B",
      "tab_background_text": "#5A5F6A",
      "toolbar": "#282C34",
      "bookmark_text": "#D4D7DD",
      "tab_text": "#D4D7DD",
      "tab_line": "#00FFB7",
      "toolbar_field": "#393E49",
      "toolbar_field_text": "#9DA5B4",
      "ntp_background": "#282C34",
      "ntp_text": "#D4D7DD",
      "popup": "#282C34",
      "popup_text": "#D4D7DD",
      "popup_highlight": "#21252B",
      "popup_highlight_text": "#D4D7DD",
      "sidebar": "#282C34",
      "sidebar_text": "#D4D7DD",
      "sidebar_highlight": "#21252B",
      "sidebar_highlight_text": "#D4D7DD"
    }
  }
}