Examine source code of Ocean Sight

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Ocean Sight",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-009-f069b97f439938a011297c84464f0df6.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(1, 45, 83, 0.7)",
      "toolbar_text": "rgb(22, 169, 194)",
      "frame": "rgb(6, 38, 68)",
      "tab_background_text": "rgb(108, 213, 184)",
      "toolbar_field": "rgb(47, 79, 130)",
      "toolbar_field_text": "rgb(253, 208, 162)",
      "tab_line": "rgb(0, 216, 124)",
      "popup": "rgb(6, 38, 68)",
      "popup_text": "rgb(253, 208, 162)",
      "tab_loading": "rgb(0, 216, 124)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{982c3c9f-ea3b-40fd-b999-296d89b5c59f}"
    }
  }
}