Examine source code of Safari 15 Light theme

{
  "manifest_version": 2,
  "version": "1.1",
  "name": "Safari 15 Light",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-009-f069b97f439938a011297c84464f0df6.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ],
      "color_scheme": "light",
      "content_color_scheme": "light"
    },
    "colors": {
      "toolbar": "rgb(247, 247, 245)",
      "toolbar_text": "rgba(0, 0, 0, 0.92)",
      "frame": "rgb(234, 234, 232)",
      "tab_background_text": "rgb(22, 22, 22)",
      "toolbar_field": "rgba(245, 245, 245, 0)",
      "toolbar_field_text": "rgb(22, 22, 22)",
      "tab_line": "rgba(255, 255, 255, 0)",
      "popup": "rgb(226, 220, 211)",
      "popup_text": "rgb(22, 22, 22)",
      "button_background_active": "rgba(164, 165, 163, 0.13)",
      "button_background_hover": "rgba(164, 165, 163, 0.13)",
      "ntp_background": "rgba(183, 63, 164, 0)",
      "sidebar_border": "rgba(19, 19, 19, 0)",
      "sidebar": "rgb(247, 247, 245)",
      "tab_background_separator": "rgba(255, 255, 255, 0)",
      "tab_text": "rgb(39, 39, 39)",
      "toolbar_bottom_separator": "rgb(209, 209, 207)",
      "toolbar_field_border": "rgb(198, 198, 198)",
      "toolbar_top_separator": "rgb(209, 209, 207)",
      "toolbar_vertical_separator": "rgba(205, 32, 178, 0)",
      "tab_loading": "rgba(255, 255, 255, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{f5c0519c-795d-49b1-9a80-e07780a87bf8}"
    }
  }
}