Examine source code of darkreds

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "darkreds",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-016-af8c49de75012ca2c007f953ff2e4499.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(60, 15, 15)",
      "toolbar_text": "rgb(255, 200, 200)",
      "frame": "rgb(30, 7, 7)",
      "tab_background_text": "rgb(255, 169, 169)",
      "toolbar_field": "rgb(45, 0, 0)",
      "toolbar_field_text": "rgb(255, 190, 190)",
      "tab_line": "rgb(255, 128, 128)",
      "popup": "rgb(45, 0, 0)",
      "popup_text": "rgb(255, 200, 200)",
      "tab_loading": "rgb(255, 128, 128)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{f0545e55-9c0e-4b96-81f9-7a957496ffaf}"
    }
  }
}