Examine source code of Shogun Dragons

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Shogun ",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "left top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(0, 0, 0)",
      "toolbar_text": "rgb(255, 0, 4)",
      "frame": "rgb(0, 0, 0)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(40, 40, 41)",
      "toolbar_field_text": "rgb(222, 217, 217)",
      "tab_line": "rgb(255, 0, 4)",
      "popup": "rgb(3, 2, 2)",
      "popup_text": "rgb(255, 0, 0)",
      "button_background_active": "rgb(0, 0, 0)",
      "button_background_hover": "rgb(139, 134, 134)",
      "frame_inactive": "rgb(0, 0, 0)",
      "icons_attention": "rgb(255, 0, 41)",
      "icons": "rgb(255, 1, 6)",
      "ntp_background": "rgb(36, 36, 36)",
      "ntp_text": "rgb(5, 1, 1)",
      "popup_border": "rgb(245, 7, 10)",
      "popup_highlight_text": "rgb(222, 217, 217)",
      "popup_highlight": "rgb(93, 92, 92)",
      "sidebar_border": "rgb(143, 30, 31)",
      "sidebar_highlight_text": "rgb(245, 3, 3)",
      "sidebar_highlight": "rgb(120, 116, 116)",
      "sidebar_text": "rgb(220, 29, 29)",
      "tab_loading": "rgb(255, 0, 4)"
    }
  }
}