Examine source code of Feeling Like I Do

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Feeling Like I Do",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-031-9570e8d1f7a5f835c92e764693337f43.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(56, 112, 165)",
      "toolbar_text": "rgb(67, 194, 218)",
      "frame": "rgb(19, 61, 85)",
      "tab_background_text": "rgb(89, 165, 215)",
      "toolbar_field": "rgb(56, 112, 165)",
      "toolbar_field_text": "rgb(132, 210, 246)",
      "tab_line": "rgb(67, 194, 218)",
      "popup": "rgb(19, 61, 85)",
      "popup_text": "rgb(146, 229, 247)",
      "tab_loading": "rgb(67, 194, 218)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{a493ac5e-b45c-4e05-9719-1598aa35fb2c}"
    }
  }
}