Examine source code of purple bishop

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "pourpre ",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-000-5672c42860d5b06e1058dc477397f3ef.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(226, 88, 158, 0.26)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(49, 0, 20)",
      "tab_background_text": "rgb(233, 222, 223)",
      "toolbar_field": "rgba(44, 12, 28, 0.26)",
      "toolbar_field_text": "rgb(234, 231, 227)",
      "tab_line": "rgba(255, 97, 177, 0.99)",
      "popup": "rgba(66, 6, 35, 0.88)",
      "popup_text": "rgb(255, 255, 255)",
      "tab_loading": "rgba(255, 97, 177, 0.99)"
    }
  }
}