Examine source code of Water Background

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Water Background",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(23, 38, 48)",
      "toolbar_text": "rgb(0, 141, 236)",
      "frame": "rgb(106, 139, 158)",
      "tab_background_text": "rgb(0, 0, 0)",
      "toolbar_field": "rgb(0, 0, 0)",
      "toolbar_field_text": "rgb(123, 127, 204)",
      "tab_line": "rgb(5, 0, 255)",
      "popup": "rgb(25, 25, 31)",
      "popup_text": "rgb(150, 41, 171)",
      "tab_loading": "rgb(5, 0, 255)"
    }
  }
}