Examine source code of debug_green

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "debug_green",
  "description": "Debug Green",
  "theme": {
    "colors": {
      "frame": "hsl(67, 38%, 88%)",
      "tab_background_text": "hsl(67, 25%, 22%)",
      "tab_line": "hsl(67, 45%, 45%)",
      "tab_loading": "hsl(67, 55%, 50%)",
      "toolbar": "hsl(67, 38%, 92%)",
      "toolbar_text": "hsl(67, 25%, 22%)",
      "toolbar_field": "hsl(67, 38%, 92%)",
      "toolbar_field_text": "hsl(67, 25%, 22%)",
      "toolbar_field_highlight": "hsl(67, 50%, 70%)",
      "toolbar_field_highlight_text": "hsl(67, 30%, 18%)",
      "toolbar_field_border_focus": "hsl(67, 38%, 92%)",
      "toolbar_bottom_separator": "hsl(67, 38%, 92%)",
      "popup": "hsl(67, 38%, 95%)",
      "popup_text": "hsl(67, 25%, 22%)",
      "popup_highlight": "hsl(67, 45%, 75%)",
      "popup_highlight_text": "hsl(67, 30%, 18%)",
      "sidebar": "hsl(67, 38%, 94%)",
      "sidebar_text": "hsl(67, 25%, 22%)",
      "ntp_background": "hsl(67, 38%, 92%)",
      "ntp_text": "hsl(67, 25%, 20%)"
    }
  },
  "dark_theme": {
    "colors": {
      "frame": "hsl(67, 40%, 4%)",
      "tab_background_text": "hsl(67, 55%, 78%)",
      "tab_line": "hsl(67, 55%, 55%)",
      "tab_loading": "hsl(67, 65%, 60%)",
      "toolbar": "hsl(67, 38%, 4%)",
      "toolbar_text": "hsl(67, 50%, 80%)",
      "toolbar_field": "hsl(67, 35%, 4%)",
      "toolbar_field_text": "hsl(67, 50%, 82%)",
      "toolbar_field_highlight": "hsl(67, 50%, 32%)",
      "toolbar_field_highlight_text": "hsl(67, 55%, 88%)",
      "toolbar_field_border_focus": "hsl(67, 35%, 4%)",
      "toolbar_bottom_separator": "hsl(67, 35%, 4%)",
      "popup": "hsl(67, 35%, 4%)",
      "popup_text": "hsl(67, 50%, 82%)",
      "popup_highlight": "hsl(67, 45%, 30%)",
      "popup_highlight_text": "hsl(67, 50%, 88%)",
      "sidebar": "hsl(67, 38%, 4%)",
      "sidebar_text": "hsl(67, 30%, 80%)",
      "ntp_background": "hsl(67, 40%, 4%)",
      "ntp_text": "hsl(67, 50%, 84%)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{268376be-a098-4b8f-8cce-a1cd64df9645}"
    }
  }
}