Examine source code of Black & Lavender

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Black & Lavender",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-012-1e971c5fbb8dec3acbd76dd6c6819de9.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(0, 0, 0, 0.72)",
      "toolbar_text": "rgb(224, 204, 237)",
      "frame": "rgb(0, 0, 0)",
      "tab_background_text": "rgb(224, 204, 237)",
      "toolbar_field": "rgb(18, 18, 18)",
      "toolbar_field_text": "rgb(224, 204, 237)",
      "tab_line": "rgb(224, 204, 237)",
      "popup": "rgb(18, 18, 18)",
      "popup_text": "rgb(224, 204, 237)",
      "icons_attention": "rgb(255, 255, 255)",
      "icons": "rgb(224, 204, 237)",
      "ntp_background": "rgb(18, 18, 18)",
      "popup_border": "rgb(224, 204, 237)",
      "tab_loading": "rgb(224, 204, 237)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{17d48e06-1ffa-46a1-a505-93755f42b654}"
    }
  }
}