Examine source code of MontanaSunset

{
  "manifest_version": 2,
  "version": "2.0",
  "name": "MontanaSunset",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right center"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(255, 255, 255, 0)",
      "toolbar_field": "rgba(138, 138, 240, 0)",
      "toolbar_field_text": "rgb(250, 243, 188)",
      "tab_line": "rgb(6, 6, 6)",
      "popup": "rgb(131, 41, 47)",
      "popup_text": "rgb(243, 205, 216)",
      "tab_loading": "rgb(6, 6, 6)",
      "bookmark_text": "rgb(211, 208, 211)",
      "frame": "rgb(0, 0, 0)",
      "tab_background_text": "rgb(243, 93, 95)"
    }
  }
}