Examine source code of Deep Space [OLED]

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Deep Space [OLED]",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "left top"
      ],
      "additional_backgrounds_tiling": [
        "repeat-x"
      ]
    },
    "colors": {
      "toolbar": "rgba(0, 0, 0, 0)",
      "toolbar_text": "rgb(224, 218, 239)",
      "frame": "rgb(0, 0, 0)",
      "tab_background_text": "rgb(189, 182, 205)",
      "toolbar_field": "rgba(0, 0, 0, 0)",
      "toolbar_field_text": "rgb(224, 218, 239)",
      "tab_line": "rgba(0, 0, 0, 0)",
      "popup": "rgb(0, 0, 0)",
      "popup_text": "rgb(224, 218, 239)",
      "button_background_active": "rgb(78, 71, 94)",
      "button_background_hover": "rgba(78, 71, 94, 0.4)",
      "icons": "rgb(224, 218, 239)",
      "ntp_background": "rgb(0, 0, 0)",
      "ntp_text": "rgba(229, 226, 249, 0.9)",
      "popup_border": "rgb(60, 59, 88)",
      "popup_highlight_text": "rgb(221, 210, 255)",
      "popup_highlight": "rgba(78, 71, 94, 0.7)",
      "sidebar_border": "rgb(60, 59, 88)",
      "sidebar_highlight_text": "rgb(190, 170, 250)",
      "sidebar_highlight": "rgb(50, 50, 50)",
      "sidebar_text": "rgb(224, 218, 239)",
      "sidebar": "rgb(0, 0, 0)",
      "tab_background_separator": "rgba(0, 0, 0, 0)",
      "tab_loading": "rgba(221, 210, 255, 0)",
      "tab_selected": "rgba(78, 71, 94, 0.7)",
      "toolbar_bottom_separator": "rgba(0, 0, 0, 0)",
      "toolbar_field_border_focus": "rgb(78, 71, 94)",
      "toolbar_field_border": "rgba(0, 0, 0, 0)",
      "toolbar_field_focus": "rgb(0, 0, 0)",
      "toolbar_field_highlight_text": "rgb(255, 255, 255)",
      "toolbar_field_highlight": "rgba(122, 116, 213, 0.74)",
      "toolbar_field_separator": "rgba(221, 210, 255, 0)",
      "toolbar_field_text_focus": "rgb(224, 218, 239)",
      "toolbar_top_separator": "rgba(0, 0, 0, 0)",
      "toolbar_vertical_separator": "rgba(0, 0, 0, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{4ed2fd42-9cf9-4af8-98f8-962436fdf0bf}"
    }
  }
}