Examine source code of Quantum One Red

{
  "manifest_version": 2,
  "version": "2.0",
  "name": "Quantum One Red",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(31, 31, 31)",
      "toolbar_field": "rgb(20, 20, 20)",
      "toolbar_field_text": "rgb(224, 42, 38)",
      "tab_line": "rgb(224, 42, 38)",
      "popup": "rgb(31, 31, 31)",
      "popup_text": "rgb(224, 42, 38)",
      "tab_loading": "rgb(224, 42, 38)",
      "bookmark_text": "rgb(224, 42, 38)",
      "frame": "rgb(20, 20, 20)",
      "tab_background_text": "rgb(160, 160, 160)"
    }
  }
}