Examine source code of Oled Black with taste

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Oled Black",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-000-5672c42860d5b06e1058dc477397f3ef.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(35, 35, 35)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(0, 0, 0)",
      "tab_background_text": "rgb(242, 242, 242)",
      "toolbar_field": "rgb(0, 0, 0)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(49, 49, 49)",
      "popup": "rgb(0, 0, 0)",
      "popup_text": "rgb(243, 243, 243)",
      "ntp_background": "rgb(25, 25, 25)",
      "popup_border": "rgba(110, 110, 110, 0.19)",
      "popup_highlight": "rgb(45, 45, 45)",
      "tab_loading": "rgb(253, 66, 40)",
      "tab_selected": "rgb(44, 44, 44)",
      "toolbar_bottom_separator": "rgb(41, 41, 41)",
      "toolbar_field_border_focus": "rgb(81, 81, 81)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{11e57a99-f4af-4670-9b2f-eb8a045a0165}"
    }
  }
}