Examine source code of colette BS

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "colet",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png",
        "images/1.jpg",
        "images/2.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right center",
        "center center",
        "center bottom"
      ],
      "additional_backgrounds_tiling": [
        "repeat-y",
        "repeat",
        "repeat-x"
      ]
    },
    "colors": {
      "toolbar": "rgba(171, 30, 176, 0.64)",
      "toolbar_text": "rgb(251, 247, 247)",
      "frame": "rgb(230, 10, 253)",
      "tab_background_text": "rgb(40, 3, 251)",
      "toolbar_field": "rgb(150, 10, 251)",
      "toolbar_field_text": "rgb(4, 255, 184)",
      "tab_line": "rgb(237, 254, 5)",
      "popup": "rgb(246, 152, 5)",
      "popup_text": "rgb(0, 255, 3)",
      "ntp_background": "rgb(29, 219, 155)",
      "tab_loading": "rgb(237, 254, 5)"
    }
  }
}