Examine source code of DarkRed 2.0

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "DarkRed 2.0",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-000-5672c42860d5b06e1058dc477397f3ef.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(40, 40, 40)",
      "toolbar_text": "rgb(230, 230, 230)",
      "frame": "rgb(0, 0, 0)",
      "tab_background_text": "rgb(236, 236, 236)",
      "toolbar_field": "rgb(64, 64, 64)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(205, 35, 35)",
      "popup": "rgb(43, 43, 43)",
      "popup_text": "rgb(255, 255, 255)",
      "ntp_background": "rgb(34, 34, 34)",
      "ntp_text": "rgb(255, 255, 255)",
      "tab_selected": "rgba(255, 0, 0, 0.02)",
      "tab_text": "rgb(255, 255, 255)",
      "toolbar_field_border_focus": "rgba(255, 0, 0, 0.58)",
      "tab_loading": "rgb(205, 35, 35)"
    }
  }
}