Examine source code of Pure Dark Purple

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Pure Dark Purple",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(20, 0, 30)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(20, 0, 30)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgba(255, 255, 255, 0)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(100, 0, 149)",
      "popup": "rgb(20, 0, 30)",
      "popup_text": "rgb(255, 255, 255)",
      "button_background_active": "rgba(90, 0, 135, 0.35)",
      "button_background_hover": "rgba(90, 0, 135, 0.35)",
      "icons_attention": "rgb(255, 255, 255)",
      "ntp_background": "rgb(20, 0, 30)",
      "popup_border": "rgb(100, 0, 149)",
      "popup_highlight": "rgba(90, 0, 134, 0.35)",
      "toolbar_bottom_separator": "rgba(255, 255, 255, 0)",
      "toolbar_field_border_focus": "rgba(255, 255, 255, 0)",
      "toolbar_field_focus": "rgb(20, 0, 30)",
      "toolbar_field_highlight": "rgba(90, 0, 135, 0.35)",
      "toolbar_top_separator": "rgba(255, 255, 255, 0)",
      "tab_loading": "rgb(100, 0, 149)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{3cecea3d-bd26-4ef3-94d2-e75c95b2a3e6}"
    }
  }
}