Examine source code of Modern light blue

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Modern light blue",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-000-5672c42860d5b06e1058dc477397f3ef.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(16, 18, 21)",
      "toolbar_text": "rgb(120, 170, 216)",
      "frame": "rgb(16, 18, 21)",
      "tab_background_text": "rgb(238, 238, 238)",
      "toolbar_field": "rgb(26, 28, 30)",
      "toolbar_field_text": "rgb(238, 238, 238)",
      "tab_line": "rgb(16, 18, 21)",
      "popup": "rgb(16, 18, 21)",
      "popup_text": "rgb(238, 238, 238)",
      "popup_border": "rgba(16, 18, 21, 0.01)",
      "popup_highlight_text": "rgb(238, 238, 238)",
      "sidebar_border": "rgba(16, 18, 21, 0.01)",
      "sidebar_highlight": "rgb(120, 170, 216)",
      "sidebar": "rgb(16, 18, 21)",
      "tab_selected": "rgb(26, 28, 30)",
      "tab_loading": "rgb(16, 18, 21)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{6169eac6-d9d8-4e3c-a8e4-bd6b506bfb28}"
    }
  }
}