Examine source code of Chocolate Raspberry

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "dggdg",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-017-7074520d97b5c592d413aed5f115f093.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(64, 43, 55)",
      "toolbar_text": "rgb(237, 167, 167)",
      "frame": "rgb(53, 27, 38)",
      "tab_background_text": "rgb(200, 195, 192)",
      "toolbar_field": "rgb(34, 20, 20)",
      "toolbar_field_text": "rgb(237, 167, 167)",
      "tab_line": "rgb(237, 167, 167)",
      "popup": "rgb(181, 163, 161)",
      "popup_text": "rgb(63, 41, 41)",
      "icons": "rgb(233, 193, 193)",
      "popup_highlight": "rgb(109, 91, 82)",
      "tab_loading": "rgb(237, 167, 167)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{8c8dc57e-ec56-4fbd-b88e-1897089459d9}"
    }
  }
}