Examine source code of Deep Purple Rain

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Purple Rain",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-034-e0dfa84411058d2e5627f19f1ea501ca.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(60, 21, 45)",
      "toolbar_text": "rgb(255, 195, 208)",
      "frame": "rgb(20, 10, 23)",
      "tab_background_text": "rgb(242, 237, 121)",
      "toolbar_field": "rgb(7, 3, 17)",
      "toolbar_field_text": "rgb(242, 237, 121)",
      "tab_line": "rgb(255, 195, 208)",
      "popup": "rgb(20, 10, 23)",
      "popup_text": "rgb(255, 195, 208)",
      "button_background_active": "rgb(73, 42, 60)",
      "button_background_hover": "rgb(92, 55, 77)",
      "icons_attention": "rgb(121, 242, 178)",
      "icons": "rgb(255, 195, 208)",
      "ntp_background": "rgb(0, 0, 0)",
      "ntp_text": "rgb(255, 195, 208)",
      "popup_border": "rgb(255, 195, 208)",
      "popup_highlight_text": "rgb(60, 21, 45)",
      "popup_highlight": "rgb(255, 195, 208)",
      "sidebar_border": "rgb(60, 21, 45)",
      "sidebar_highlight_text": "rgb(60, 21, 45)",
      "sidebar_highlight": "rgb(255, 195, 208)",
      "sidebar_text": "rgb(255, 195, 208)",
      "sidebar": "rgb(20, 10, 23)",
      "tab_background_separator": "rgb(121, 242, 178)",
      "tab_loading": "rgb(121, 242, 178)",
      "tab_selected": "rgb(60, 21, 45)",
      "tab_text": "rgb(255, 195, 208)",
      "toolbar_field_border_focus": "rgb(255, 195, 208)",
      "toolbar_field_border": "rgb(92, 55, 77)",
      "toolbar_field_focus": "rgb(7, 3, 17)",
      "toolbar_field_highlight_text": "rgb(60, 21, 45)",
      "toolbar_field_highlight": "rgb(255, 195, 208)",
      "toolbar_field_separator": "rgb(121, 242, 178)",
      "toolbar_field_text_focus": "rgb(242, 237, 121)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{e2865162-7fbc-42e3-8aa0-a97d05099a2a}"
    }
  }
}