Examine source code of r7sajk

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "r7sajk",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png",
        "images/1.png",
        "images/2.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "left top",
        "left top",
        "left bottom"
      ],
      "additional_backgrounds_tiling": [
        "repeat-x",
        "repeat-x",
        "repeat-x"
      ]
    },
    "colors": {
      "toolbar": "rgb(44, 184, 55)",
      "toolbar_text": "rgb(255, 7, 195)",
      "frame": "rgb(112, 61, 130)",
      "tab_background_text": "rgb(60, 161, 50)",
      "toolbar_field": "rgb(200, 57, 191)",
      "toolbar_field_text": "rgb(4, 249, 37)",
      "tab_line": "rgb(248, 112, 140)",
      "popup": "rgb(164, 40, 150)",
      "popup_text": "rgb(38, 191, 28)",
      "tab_loading": "rgb(248, 112, 140)"
    }
  }
}