Examine source code of Red Blossom

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Dark Flower",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png",
        "images/1.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top",
        "right bottom"
      ],
      "additional_backgrounds_tiling": [
        "repeat",
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(225, 0, 36, 0.53)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(8, 6, 90)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(0, 0, 0)",
      "toolbar_field_text": "rgb(225, 225, 225)",
      "tab_line": "rgba(255, 1, 5, 0.94)",
      "popup": "rgba(179, 6, 39, 0.69)",
      "popup_text": "rgb(255, 244, 247)",
      "tab_loading": "rgba(255, 1, 5, 0.94)"
    }
  }
}