Examine source code of Sailing Sunset

{
  "manifest_version": 2,
  "version": "2.0",
  "name": "Sailing Sunset",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png",
        "images/1.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top",
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat",
        "repeat-x"
      ]
    },
    "colors": {
      "toolbar": "rgba(216, 240, 254, 0.19)",
      "toolbar_field": "rgba(162, 214, 243, 0)",
      "toolbar_field_text": "rgb(162, 214, 243)",
      "tab_line": "rgb(255, 155, 223)",
      "popup": "rgb(2, 120, 186)",
      "popup_text": "rgb(205, 237, 255)",
      "tab_loading": "rgb(255, 155, 223)",
      "bookmark_text": "rgb(254, 254, 254)",
      "frame": "rgb(2, 120, 186)",
      "tab_background_text": "rgb(162, 214, 243)"
    }
  }
}