Examine source code of Bred Black

{
  "manifest_version": 2,
  "version": "1.1",
  "name": "Bred Black 1.1 ",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-000-5672c42860d5b06e1058dc477397f3ef.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(23, 23, 23)",
      "toolbar_text": "rgb(238, 238, 238)",
      "frame": "rgb(6, 6, 6)",
      "tab_background_text": "rgb(238, 238, 238)",
      "toolbar_field": "rgb(16, 16, 17)",
      "toolbar_field_text": "rgb(238, 238, 238)",
      "tab_line": "rgba(238, 238, 238, 0)",
      "popup": "rgb(16, 16, 17)",
      "popup_text": "rgb(238, 238, 238)",
      "button_background_active": "rgb(18, 19, 20)",
      "button_background_hover": "rgb(18, 19, 20)",
      "icons": "rgb(238, 238, 238)",
      "popup_border": "rgb(23, 23, 23)",
      "popup_highlight": "rgba(197, 179, 253, 0.5)",
      "toolbar_bottom_separator": "rgb(23, 23, 23)",
      "toolbar_field_focus": "rgb(16, 16, 17)",
      "toolbar_field_highlight": "rgba(197, 179, 253, 0.5)",
      "toolbar_top_separator": "rgba(0, 0, 0, 0)",
      "tab_loading": "rgba(238, 238, 238, 0)"
    }
  }
}