Examine source code of Artem Nature

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Artem Nature",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right center"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(92, 186, 236, 0.38)",
      "toolbar_text": "rgba(12, 136, 188, 0.73)",
      "frame": "rgb(86, 192, 248)",
      "tab_background_text": "rgb(0, 40, 111)",
      "toolbar_field": "rgba(57, 191, 234, 0.45)",
      "toolbar_field_text": "rgb(6, 21, 29)",
      "tab_line": "rgba(255, 255, 255, 0.76)",
      "popup": "rgba(161, 232, 255, 0.41)",
      "popup_text": "rgba(10, 58, 67, 0.78)",
      "icons_attention": "rgb(177, 49, 225)",
      "tab_loading": "rgba(255, 255, 255, 0.76)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{3b91079f-def5-4a81-826c-817f1be78c9a}"
    }
  }
}