Examine source code of Shami Blue

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Shami Blue",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-036-40a272fe657f748396e017c7a64ee2dc.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(130, 169, 218)",
      "toolbar_text": "rgb(0, 49, 73)",
      "frame": "rgb(156, 197, 230)",
      "tab_background_text": "rgb(0, 49, 73)",
      "toolbar_field": "rgb(223, 242, 252)",
      "toolbar_field_text": "rgb(0, 49, 73)",
      "tab_line": "rgb(66, 101, 121)",
      "popup": "rgb(223, 242, 252)",
      "popup_text": "rgb(66, 101, 121)",
      "tab_loading": "rgb(66, 101, 121)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{c380159b-2046-4ca8-a881-0b525b0954ea}"
    }
  }
}