Examine source code of Spider [Orange]

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Spider [Orange]",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(55, 55, 55, 0)",
      "toolbar_text": "rgb(170, 170, 180)",
      "frame": "rgb(145, 145, 150)",
      "tab_background_text": "rgb(125, 125, 132)",
      "toolbar_field": "rgba(170, 170, 180, 0.15)",
      "toolbar_field_text": "rgb(145, 145, 150)",
      "tab_line": "rgba(170, 170, 180, 0.5)",
      "popup": "rgb(10, 10, 20)",
      "popup_text": "rgb(145, 145, 150)",
      "button_background_active": "rgba(145, 145, 150, 0.5)",
      "button_background_hover": "rgba(145, 145, 150, 0.25)",
      "frame_inactive": "rgba(145, 145, 150, 0.5)",
      "icons_attention": "rgba(145, 145, 150, 0.5)",
      "icons": "rgba(145, 145, 150, 0.9)",
      "ntp_background": "rgba(10, 10, 20, 0.9)",
      "ntp_text": "rgba(145, 145, 150, 0.85)",
      "popup_border": "rgba(10, 10, 20, 0.85)",
      "popup_highlight_text": "rgba(145, 145, 150, 0.9)",
      "popup_highlight": "rgba(10, 10, 20, 0.85)",
      "sidebar_border": "rgba(10, 10, 20, 0.5)",
      "sidebar_highlight_text": "rgb(145, 145, 150)",
      "sidebar_highlight": "rgba(10, 10, 20, 0.6)",
      "sidebar_text": "rgba(145, 145, 150, 0.75)",
      "sidebar": "rgb(10, 10, 20)",
      "tab_background_separator": "rgba(30, 2, 35, 0.75)",
      "tab_loading": "rgba(30, 2, 35, 0.99)",
      "tab_selected": "rgba(145, 145, 150, 0.2)",
      "tab_text": "rgba(145, 145, 150, 0.9)",
      "toolbar_bottom_separator": "rgba(145, 145, 150, 0.25)",
      "toolbar_field_border_focus": "rgba(145, 145, 150, 0.25)",
      "toolbar_field_border": "rgba(145, 145, 150, 0.25)",
      "toolbar_field_focus": "rgba(180, 180, 190, 0.1)",
      "toolbar_field_highlight_text": "rgba(10, 10, 20, 0.8)",
      "toolbar_field_highlight": "rgba(2, 2, 43, 0.25)",
      "toolbar_field_separator": "rgba(10, 10, 20, 0.8)",
      "toolbar_field_text_focus": "rgba(25, 109, 242, 0.25)",
      "toolbar_top_separator": "rgba(140, 140, 150, 0.1)",
      "toolbar_vertical_separator": "rgba(140, 140, 150, 0.1)"
    }
  }
}