Examine source code of Gold Dragon

{
  "manifest_version": 2,
  "version": "5.0",
  "name": "Gold Dragon",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(181, 187, 191, 0)",
      "toolbar_text": "rgb(219, 212, 174)",
      "frame": "rgb(6, 6, 18)",
      "tab_background_text": "rgb(210, 204, 174)",
      "toolbar_field": "rgba(181, 187, 191, 0)",
      "toolbar_field_text": "rgb(227, 212, 138)",
      "tab_line": "rgb(188, 167, 76)",
      "popup": "rgb(32, 1, 1)",
      "popup_text": "rgb(227, 212, 138)",
      "button_background_active": "rgb(0, 0, 0)",
      "button_background_hover": "rgba(113, 12, 12, 0.7)",
      "frame_inactive": "rgb(113, 12, 12)",
      "icons_attention": "rgb(15, 240, 0)",
      "icons": "rgb(227, 212, 138)",
      "ntp_background": "rgb(26, 6, 6)",
      "ntp_text": "rgb(188, 167, 76)",
      "popup_border": "rgb(227, 212, 138)",
      "popup_highlight_text": "rgb(219, 212, 174)",
      "popup_highlight": "rgb(113, 12, 12)",
      "tab_loading": "rgb(188, 167, 76)",
      "tab_selected": "rgb(113, 12, 12)",
      "tab_text": "rgb(219, 209, 164)",
      "toolbar_field_border_focus": "rgba(139, 0, 0, 0.74)",
      "toolbar_field_border": "rgba(219, 209, 164, 0.32)",
      "toolbar_field_focus": "rgba(32, 3, 3, 0.74)",
      "toolbar_field_highlight": "rgba(188, 167, 76, 0.75)",
      "toolbar_top_separator": "rgba(188, 167, 76, 0.75)"
    }
  }
}