Examine source code of GamerPurple

{
  "manifest_version": 2,
  "version": "4.0",
  "name": "GamerPurple",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-001-9c6d74e14860e77ee6f8f43e824bff25.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(0, 0, 0)",
      "toolbar_text": "rgb(141, 0, 255)",
      "frame": "rgb(0, 0, 0)",
      "tab_background_text": "rgb(141, 0, 255)",
      "toolbar_field": "rgb(22, 21, 22)",
      "toolbar_field_text": "rgb(141, 0, 255)",
      "tab_line": "rgb(141, 0, 255)",
      "popup": "rgb(27, 2, 46)",
      "popup_text": "rgb(141, 0, 255)",
      "button_background_hover": "rgb(66, 5, 115)",
      "frame_inactive": "rgb(13, 1, 23)",
      "icons_attention": "rgb(0, 216, 255)",
      "ntp_background": "rgb(0, 0, 0)",
      "ntp_text": "rgb(0, 0, 0)",
      "popup_border": "rgb(141, 0, 255)",
      "popup_highlight": "rgb(66, 5, 115)",
      "sidebar_border": "rgb(141, 0, 255)",
      "sidebar_highlight": "rgb(141, 0, 255)",
      "tab_selected": "rgb(34, 25, 77)",
      "toolbar_field_border_focus": "rgb(66, 5, 115)",
      "toolbar_field_border": "rgb(141, 0, 255)",
      "tab_loading": "rgb(141, 0, 255)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{9a90ecca-fcb8-4661-801d-03c946357a36}"
    }
  }
}