Examine source code of Lime Dark World

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Lime Dark World",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-016-af8c49de75012ca2c007f953ff2e4499.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(0, 40, 5)",
      "toolbar_text": "rgb(57, 255, 20)",
      "frame": "rgb(0, 40, 5)",
      "tab_background_text": "rgb(165, 175, 185)",
      "toolbar_field": "rgb(0, 55, 15)",
      "toolbar_field_text": "rgba(255, 255, 255, 0.9)",
      "tab_line": "rgb(57, 255, 20)",
      "popup": "rgb(0, 40, 5)",
      "popup_text": "rgb(57, 255, 20)",
      "button_background_active": "rgb(27, 120, 25)",
      "button_background_hover": "rgb(15, 61, 19)",
      "icons_attention": "rgb(40, 255, 0)",
      "icons": "rgb(40, 255, 0)",
      "popup_border": "rgb(40, 255, 0)",
      "sidebar_border": "rgb(40, 255, 0)",
      "sidebar_highlight": "rgb(16, 80, 0)",
      "sidebar": "rgb(0, 45, 0)",
      "tab_loading": "rgb(40, 255, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{a7d8e2df-95e2-4617-a7cf-e65fb8542ade}"
    }
  }
}