Examine source code of Neon Affinity

{
  "manifest_version": 2,
  "version": "1.5",
  "name": "Neon Glass Affinity",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png",
        "images/1.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center top",
        "center top"
      ],
      "additional_backgrounds_tiling": [
        "repeat",
        "repeat-x"
      ]
    },
    "colors": {
      "toolbar": "rgba(59, 0, 146, 0.35)",
      "toolbar_text": "rgba(255, 192, 193, 0.75)",
      "frame": "rgb(71, 0, 0)",
      "tab_background_text": "rgb(255, 0, 69)",
      "toolbar_field": "rgb(0, 0, 0)",
      "toolbar_field_text": "rgba(255, 90, 29, 0.8)",
      "tab_line": "rgb(255, 0, 5)",
      "popup": "rgba(0, 0, 0, 0.65)",
      "popup_text": "rgba(255, 90, 29, 0.8)",
      "button_background_active": "rgba(255, 0, 4, 0.6)",
      "button_background_hover": "rgba(78, 0, 206, 0.77)",
      "frame_inactive": "rgb(255, 21, 25)",
      "icons_attention": "rgb(255, 0, 4)",
      "icons": "rgb(255, 136, 98)",
      "ntp_background": "rgb(9, 1, 33)",
      "ntp_text": "rgb(255, 90, 29)",
      "popup_border": "rgb(255, 0, 5)",
      "popup_highlight_text": "rgb(255, 90, 29)",
      "popup_highlight": "rgba(89, 0, 138, 0.8)",
      "sidebar_border": "rgb(255, 0, 4)",
      "sidebar_highlight_text": "rgb(255, 69, 0)",
      "sidebar_highlight": "rgba(255, 0, 4, 0.6)",
      "sidebar_text": "rgba(255, 90, 29, 0.8)",
      "sidebar": "rgb(0, 0, 0)",
      "tab_background_separator": "rgb(255, 0, 5)",
      "tab_loading": "rgb(0, 69, 255)",
      "tab_selected": "rgba(196, 0, 1, 0.51)",
      "tab_text": "rgb(255, 136, 98)",
      "toolbar_bottom_separator": "rgb(255, 0, 0)",
      "toolbar_field_border_focus": "rgba(255, 0, 5, 0.71)",
      "toolbar_field_border": "rgba(255, 119, 121, 0.66)",
      "toolbar_field_focus": "rgba(0, 0, 0, 0.6)",
      "toolbar_field_highlight_text": "rgb(255, 90, 29)",
      "toolbar_field_highlight": "rgb(120, 0, 0)",
      "toolbar_field_separator": "rgb(255, 90, 29)",
      "toolbar_field_text_focus": "rgb(255, 21, 25)",
      "toolbar_top_separator": "rgb(255, 21, 25)",
      "toolbar_vertical_separator": "rgb(255, 0, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ce16846e-5d4f-46f1-a0bb-6d5f18c97fdd}"
    }
  }
}