Examine source code of Special User's Theme 2

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "My_Theme",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg",
        "images/1.jpg",
        "images/2.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top",
        "right top",
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat",
        "repeat",
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(0, 0, 0)",
      "toolbar_text": "rgb(245, 245, 249)",
      "frame": "rgb(48, 48, 49)",
      "tab_background_text": "rgb(169, 169, 172)",
      "toolbar_field": "rgb(69, 68, 68)",
      "toolbar_field_text": "rgb(224, 224, 230)",
      "tab_line": "rgb(255, 0, 3)",
      "popup": "rgb(32, 32, 32)",
      "popup_text": "rgb(208, 210, 210)",
      "toolbar_field_border": "rgb(57, 1, 1)",
      "toolbar_field_separator": "rgb(198, 4, 4)",
      "toolbar_top_separator": "rgb(111, 3, 3)",
      "tab_loading": "rgb(255, 0, 3)"
    }
  }
}